Vulnerabilites related to openslides - openslides
CVE-2025-30343 (GCVE-0-2025-30343)
Vulnerability from cvelistv5
Published
2025-03-21 00:00
Modified
2025-03-21 14:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-24 - Path Traversal: '../filedir'
Summary
A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file or folder as a relative or absolute path (e.g., ../../../etc/passwd), the ZIP archive generated for download converts that title into a path. Depending on the extraction tool used by the user, this might overwrite files locally outside of the chosen directory.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Intevation | OpenSlides |
Version: 0 < 4.2.5 |
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CVE-2024-22893 (GCVE-0-2024-22893)
Vulnerability from cvelistv5
Published
2024-09-25 00:00
Modified
2024-09-26 13:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack.
References
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CVE-2020-26280 (GCVE-0-2020-26280)
Vulnerability from cvelistv5
Published
2020-12-18 18:25
Modified
2024-08-04 15:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - {"":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}
Summary
OpenSlides is a free, Web-based presentation and assembly system for managing and projecting agenda, motions, and elections of assemblies. OpenSlides version 3.2, due to unsufficient user input validation and escaping, it is vulnerable to persistant cross-site scripting (XSS). In the web applications users can enter rich text in various places, e.g. for personal notes or in motions. These fields can be used to store arbitrary JavaScript Code that will be executed when other users read the respective text. An attacker could utilize this vulnerability be used to manipulate votes of other users, hijack the moderators session or simply disturb the meeting. The vulnerability was introduced with 6eae497abeab234418dfbd9d299e831eff86ed45 on 16.04.2020, which is first included in the 3.2 release. It has been patched in version 3.3 ( in commit f3809fc8a97ee305d721662a75f788f9e9d21938, merged in master on 20.11.2020).
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenSlides | OpenSlides |
Version: = 3.2 |
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CVE-2025-30345 (GCVE-0-2025-30345)
Vulnerability from cvelistv5
Published
2025-03-21 00:00
Modified
2025-03-21 15:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Summary
An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chat_group.create action, the user is able to specify the name of the chat. Some HTML elements such as SCRIPT are filtered, whereas others are not. In most cases, HTML entities are encoded properly, but not when deleting chats or deleting messages in these chats. This potentially allows attackers to interfere with the layout of the rendered website, but it is unlikely that victims would click on deleted chats or deleted messages.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Intevation | OpenSlides |
Version: 0 < 4.2.5 |
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CVE-2025-30342 (GCVE-0-2025-30342)
Vulnerability from cvelistv5
Published
2025-03-21 00:00
Modified
2025-03-21 15:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Summary
An XSS issue was discovered in OpenSlides before 4.2.5. When submitting descriptions such as Moderator Notes or Agenda Topics, an editor is shown that allows one to format the submitted text. This allows insertion of various HTML elements. When trying to insert a SCRIPT element, it is properly encoded when reflected; however, adding attributes to links is possible, which allows the injection of JavaScript via the onmouseover attribute and others. When a user moves the mouse over such a prepared link, JavaScript is executed in that user's session.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Intevation | OpenSlides |
Version: 0 < 4.2.5 |
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CVE-2025-30344 (GCVE-0-2025-30344)
Vulnerability from cvelistv5
Published
2025-03-21 00:00
Modified
2025-03-21 15:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-208 - Observable Timing Discrepancy
Summary
An issue was discovered in OpenSlides before 4.2.5. During login at the /system/auth/login/ endpoint, the system's response times differ depending on whether a user exists in the system. The timing discrepancy stems from the omitted hashing of the password (e.g., more than 100 milliseconds).
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Intevation | OpenSlides |
Version: 0 < 4.2.5 |
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CVE-2024-22892 (GCVE-0-2024-22892)
Vulnerability from cvelistv5
Published
2024-09-25 00:00
Modified
2025-03-14 15:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords.
References
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Vulnerability from fkie_nvd
Published
2024-09-25 15:15
Modified
2025-03-14 16:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://gist.github.com/mdickopp/0cab0d7f91b1f4ea0d326dd976db70e5 | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | 4.0.15 |
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Vulnerability from fkie_nvd
Published
2025-03-21 06:15
Modified
2025-03-27 14:40
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
An issue was discovered in OpenSlides before 4.2.5. During login at the /system/auth/login/ endpoint, the system's response times differ depending on whether a user exists in the system. The timing discrepancy stems from the omitted hashing of the password (e.g., more than 100 milliseconds).
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | * |
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Vulnerability from fkie_nvd
Published
2024-09-25 15:15
Modified
2025-06-13 15:03
Severity ?
Summary
OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://gist.github.com/mdickopp/10e4a4ba3d7ded8315a1613ee7f2541e | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | 4.0.15 |
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Vulnerability from fkie_nvd
Published
2025-03-21 06:15
Modified
2025-03-27 13:35
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
An XSS issue was discovered in OpenSlides before 4.2.5. When submitting descriptions such as Moderator Notes or Agenda Topics, an editor is shown that allows one to format the submitted text. This allows insertion of various HTML elements. When trying to insert a SCRIPT element, it is properly encoded when reflected; however, adding attributes to links is possible, which allows the injection of JavaScript via the onmouseover attribute and others. When a user moves the mouse over such a prepared link, JavaScript is executed in that user's session.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | * |
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"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "cve@mitre.org",
"type": "Secondary"
},
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"scope": "CHANGED",
"userInteraction": "REQUIRED",
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"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-03-21T06:15:26.510",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "cve@mitre.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2025-03-21 06:15
Modified
2025-03-27 14:38
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Summary
An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chat_group.create action, the user is able to specify the name of the chat. Some HTML elements such as SCRIPT are filtered, whereas others are not. In most cases, HTML entities are encoded properly, but not when deleting chats or deleting messages in these chats. This potentially allows attackers to interfere with the layout of the rendered website, but it is unlikely that victims would click on deleted chats or deleted messages.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | * |
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"id": "CVE-2025-30345",
"lastModified": "2025-03-27T14:38:50.810",
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]
}
Vulnerability from fkie_nvd
Published
2025-03-21 06:15
Modified
2025-03-27 14:00
Severity ?
3.0 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file or folder as a relative or absolute path (e.g., ../../../etc/passwd), the ZIP archive generated for download converts that title into a path. Depending on the extraction tool used by the user, this might overwrite files locally outside of the chosen directory.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://www.x41-dsec.de/lab/advisories/x41-2025-001-OpenSlides | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | * |
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"lang": "es",
"value": "Se detect\u00f3 un problema de directory traversal en OpenSlides antes de la versi\u00f3n 4.2.5. Se pueden subir archivos a las reuniones de OpenSlides y organizarlos en carpetas. La interfaz permite a los usuarios descargar un archivo ZIP que contiene todos los archivos de una carpeta y sus subcarpetas. Si un atacante especifica el t\u00edtulo de un archivo o carpeta como una ruta relativa o absoluta (p. ej., ../../../etc/passwd), el archivo ZIP generado para la descarga convierte ese t\u00edtulo en una ruta. Seg\u00fan la herramienta de extracci\u00f3n utilizada, esto podr\u00eda sobrescribir archivos localmente fuera del directorio seleccionado."
}
],
"id": "CVE-2025-30343",
"lastModified": "2025-03-27T14:00:35.087",
"metrics": {
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"published": "2025-03-21T06:15:26.700",
"references": [
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"value": "CWE-22"
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]
}
Vulnerability from fkie_nvd
Published
2020-12-18 19:15
Modified
2024-11-21 05:19
Severity ?
8.9 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
8.9 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
8.9 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Summary
OpenSlides is a free, Web-based presentation and assembly system for managing and projecting agenda, motions, and elections of assemblies. OpenSlides version 3.2, due to unsufficient user input validation and escaping, it is vulnerable to persistant cross-site scripting (XSS). In the web applications users can enter rich text in various places, e.g. for personal notes or in motions. These fields can be used to store arbitrary JavaScript Code that will be executed when other users read the respective text. An attacker could utilize this vulnerability be used to manipulate votes of other users, hijack the moderators session or simply disturb the meeting. The vulnerability was introduced with 6eae497abeab234418dfbd9d299e831eff86ed45 on 16.04.2020, which is first included in the 3.2 release. It has been patched in version 3.3 ( in commit f3809fc8a97ee305d721662a75f788f9e9d21938, merged in master on 20.11.2020).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openslides | openslides | 3.2 |
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},
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"lang": "es",
"value": "OpenSlides es un sistema de presentaci\u00f3n y ensamblaje gratuito basado en la web para administrar y proyectar agenda, movimientos y elecciones de las reuniones.\u0026#xa0;OpenSlides versi\u00f3n 3.2, debido a una comprobaci\u00f3n insuficiente de la entrada de usuario y al escape, es vulnerable a un ataque de tipo cross-site scripting (XSS) persistente.\u0026#xa0;En las aplicaciones web, los usuarios pueden ingresar texto enriquecido en varios lugares, por ejemplo, para notas personales o en movimientos.\u0026#xa0;Estos campos pueden ser utilizados para almacenar c\u00f3digo JavaScript arbitrario que ser\u00e1 ejecutado cuando otros usuarios lean el texto respectivo.\u0026#xa0;Un atacante podr\u00eda usar esta vulnerabilidad para manipular los votos de otros usuarios, secuestrar la sesi\u00f3n de los moderadores o simplemente perturbar la reuni\u00f3n.\u0026#xa0;La vulnerabilidad fue introducida con 6eae497abeab234418dfbd9d299e831eff86ed45 en 16.04.2020, el cual es incluida por primera vez en la versi\u00f3n 3.2.\u0026#xa0;Ha sido parcheado en la versi\u00f3n 3.3 (en el commit f3809fc8a97ee305d721662a75f788f9e9d21938, fusionada en master en 20.11.2020)"
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],
"id": "CVE-2020-26280",
"lastModified": "2024-11-21T05:19:44.710",
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"published": "2020-12-18T19:15:14.343",
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