GSD-2022-21650

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.
Aliases
Aliases
CVE-2022-21650
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-21650",
    "description": "Convos is an open source multi-user chat that runs in a web browser. You can\u0027t use SVG extension in Convos\u0027 chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.",
    "id": "GSD-2022-21650"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-21650"
      ],
      "details": "Convos is an open source multi-user chat that runs in a web browser. You can\u0027t use SVG extension in Convos\u0027 chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.",
      "id": "GSD-2022-21650",
      "modified": "2023-12-13T01:19:14.807282Z",
      "schema_version": "1.4.0"
    }
  },
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        "TITLE": "Stored XSS via html file upload in convos"
      },
      "affects": {
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          }
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      },
      "impact": {
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      "lastModifiedDate": "2022-01-11T21:48Z",
      "publishedDate": "2022-01-04T21:15Z"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.