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    7 vulnerabilities by getk2.com

    CVE-2026-48945 (GCVE-0-2026-48945)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:26 – Updated: 2026-06-25 18:45
    VLAI
    Title
    Joomla Extension - getk2.com - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
    Summary
    The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-434 - Unrestricted Upload via archive extraction
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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        "title": "CISA ADP Vulnrichment"
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    CVE-2026-48940 (GCVE-0-2026-48940)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:26 – Updated: 2026-06-25 18:47
    VLAI
    Title
    Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
    Summary
    A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.
    Severity
    3.4 (Low)
    CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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          ],
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    CVE-2026-48941 (GCVE-0-2026-48941)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:25 – Updated: 2026-06-25 18:51
    VLAI
    Title
    Joomla Extension - getk2.com - Unauthenticated folder delete in K2 extension for Joomla < 2.26
    Summary
    The K2 frontend `item.checkin` task accepts an unauthenticated `sigProFolder` query parameter and uses it directly to address a `JFolder::delete()` call under `/media/k2/galleries/`
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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    CVE-2026-48946 (GCVE-0-2026-48946)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:25 – Updated: 2026-06-26 03:55
    VLAI
    Title
    Joomla Extension - getk2.com - Privileged RCE vulnerability in K2 extension for Joomla < 2.26
    Summary
    The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.
    Severity
    6.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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    CVE-2026-48944 (GCVE-0-2026-48944)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:24 – Updated: 2026-06-25 18:43
    VLAI
    Title
    Joomla Extension - getk2.com - Exposure of sensitive files via attachment copy in K2 extension for Joomla < 2.26
    Summary
    The K2 frontend article-save handler accepts an `attachment[N][existing]` POST field that is concatenated with `JPATH_SITE/` and passed to `JFile::copy()`. `JPath::clean` does NOT strip `..`, and there is no allow-list of source paths. An Author can therefore copy `configuration.php` (or any other file readable by the web user — including `../../../etc/passwd`) into `/media/k2/attachments/`, then retrieve the contents via the K2 attachment-download endpoint.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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        "title": "CISA ADP Vulnrichment"
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          ],
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        "discovery": "UNKNOWN"
      },
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    CVE-2026-48942 (GCVE-0-2026-48942)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:23 – Updated: 2026-06-25 17:00
    VLAI
    Title
    Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
    Summary
    K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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    CVE-2026-48943 (GCVE-0-2026-48943)

    Vulnerability from cvelistv5 – Published: 2026-06-25 15:22 – Updated: 2026-06-25 18:46
    VLAI
    Title
    Joomla Extension - getk2.com - Authenticated user property mass-assignment in K2 extension for Joomla < 2.26
    Summary
    K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A Registered Joomla user, by including the field `K2UserForm=1` in a standard `com_users` `profile.save` POST, can write arbitrary values into the `notes`, `image`, and `plugins` columns of their own row in the `#__k2_users` table — none of which are exposed by the K2 frontend profile-edit form.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes — i.e. mass-assignment
    Assigner
    References
    URL Tags
    https://www.getk2.org/ product
    Impacted products
    Credits
    Matan Bahar Niv Kochan
    Show details on NVD website
    To clipboard 

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