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CVE-2025-25299

CVE-2025-25299 · Cross-site scripting (XSS) in the real-time collaboration package

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a Cross-Site Scripting (XSS) vulnerability was discovered in the CKEditor 5 real-time collaboration package. This vulnerability affects user markers, which represent users' positions within the document. It can lead to unauthorized JavaScript code execution, which might happen with a very specific editor and token endpoint configuration. This vulnerability affects only installations with Real-time collaborative editing enabled. The problem has been recognized and patched. The fix is available in version 44.2.1 (and above). Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS 2.3 · Low · EPSS 0.6% · Fix available

Published
Updated

Stack: system · node

Affected products and versions

  • ckeditor5

    Versions
    • @ckeditor/ckeditor5-real-time-collaboration: >= 41.3.0, < 44.2.1: Affected
    • ckeditor5-premium-features: >= 42.0.0, < 44.2.1: Affected

    No fix published

  • @ckeditor/ckeditor5-real-time-collaboration npm

    Affected ranges
    • SEMVER: ≥ 41.3.0, < 44.2.1

    Update to 44.2.1

  • ckeditor5-premium-features npm

    Affected ranges
    • SEMVER: ≥ 42.0.0, < 44.2.1

    Update to 44.2.1

  • ckeditor Ubuntu:Pro:16.04:LTS

    Versions
    • 4.4.4+dfsg1-3
    • 4.5.6+dfsg-1
    • 4.5.7+dfsg-1
    • 4.5.7+dfsg-2
    • 4.5.7+dfsg-2ubuntu0.16.04.1~esm1
    • 4.5.7+dfsg-2ubuntu0.16.04.1~esm2
    • 4.5.7+dfsg-2ubuntu0.16.04.1~esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:16.04:LTS

    Versions
    • 4.9-1
    • 5.1-1
    • 5.2-1
    • 5.2-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • request-tracker4 Ubuntu:16.04:LTS

    Versions
    • 4.2.11-2
    • 4.2.12-3
    • 4.2.12-4
    • 4.2.12-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor Ubuntu:Pro:18.04:LTS

    Versions
    • 4.5.7+dfsg-2
    • 4.5.7+dfsg-2ubuntu0.18.04.1
    • 4.5.7+dfsg-2ubuntu0.18.04.1+esm1
    • 4.5.7+dfsg-2ubuntu0.18.04.1+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor3 Ubuntu:18.04:LTS

    Versions
    • 3.6.6.1+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:18.04:LTS

    Versions
    • 5.7-1
    • 6.1-1
    • 6.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • request-tracker4 Ubuntu:Pro:18.04:LTS

    Versions
    • 4.4.1-5
    • 4.4.2-1
    • 4.4.2-2
    • 4.4.2-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor Ubuntu:Pro:20.04:LTS

    Versions
    • 4.11.1+dfsg-1
    • 4.12.1+dfsg-1
    • 4.12.1+dfsg-1ubuntu0.1
    • 4.12.1+dfsg-1ubuntu0.1+esm1
    • 4.12.1+dfsg-1ubuntu0.1+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor3 Ubuntu:20.04:LTS

    Versions
    • 3.6.6.1+dfsg-3
    • 3.6.6.1+dfsg-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:20.04:LTS

    Versions
    • 6.7-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • request-tracker4 Ubuntu:20.04:LTS

    Versions
    • 4.4.3-2
    • 4.4.3-2+deb10u3build0.20.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor3 Ubuntu:22.04:LTS

    Versions
    • 3.6.6.1+dfsg-7
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:22.04:LTS

    Versions
    • 7.5-1
    • 7.7-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • request-tracker4 Ubuntu:22.04:LTS

    Versions
    • 4.4.4+dfsg-2ubuntu1
    • 4.4.4+dfsg-2ubuntu1.22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor Ubuntu:Pro:22.04:LTS

    Versions
    • 4.16.0+dfsg-2
    • 4.16.2+dfsg-1
    • 4.16.2+dfsg-1ubuntu0.1~esm1
    • 4.16.2+dfsg-1ubuntu0.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor3 Ubuntu:24.04:LTS

    Versions
    • 3.6.6.1+dfsg-7
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:24.04:LTS

    Versions
    • 8.3-1
    • 8.5-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • request-tracker4 Ubuntu:24.04:LTS

    Versions
    • 4.4.4+dfsg-2ubuntu1
    • 4.4.4+dfsg-2ubuntu2
    • 4.4.7+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor Ubuntu:Pro:24.04:LTS

    Versions
    • 4.22.1+dfsg1-2
    • 4.22.1+dfsg1-2ubuntu0.24.04.1~esm1
    • 4.22.1+dfsg1-2ubuntu0.24.04.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ckeditor Ubuntu:25.10

    Versions
    • 4.22.1+dfsg1-2ubuntu1
    • 4.22.1+dfsg1-2ubuntu1.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ldap-account-manager Ubuntu:25.10

    Versions
    • 9.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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