CVE-2024-21910: Cross-site scripting vulnerability in TinyMCE plugins
First published: Tue Nov 02 2021(Updated: )
### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5h9g-x5rv-25wg. This link is maintained to preserve external references. ### Original Description TinyMCE versions before 5.10.0 are affected by a cross-site scripting vulnerability. A remote and unauthenticated attacker could introduce crafted image or link URLs that would result in the execution of arbitrary JavaScript in an editing user's browser.
Credit: disclosure@vulncheck.com disclosure@vulncheck.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/django-tinymce | <3.4.0 | 3.4.0 |
| nuget/TinyMCE | <5.10.0 | 5.10.0 |
| composer/tinymce/tinymce | <5.10.0 | 5.10.0 |
| npm/tinymce | <5.10.0 | 5.10.0 |
| npm/tinymce | <5.10.0 | |
| TinyMCE | <5.10.0 |
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Reference Links
- https://github.com/tinymce/tinymce/security/advisories/GHSA-r8hm-w5f7-wj39
- https://github.com/jazzband/django-tinymce/issues/366
- https://github.com/jazzband/django-tinymce/releases/tag/3.4.0
- https://pypi.org/project/django-tinymce/3.4.0/
- https://github.com/advisories/GHSA-r8hm-w5f7-wj39 (Advisory)
- https://nvd.nist.gov/vuln/detail/CVE-2024-21910
- https://vulncheck.com/advisories/vc-advisory-GHSA-r8hm-w5f7-wj39
- https://github.com/advisories/GHSA-wxj2-777f-vxmf (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-21910?
CVE-2024-21910 is classified as a cross-site scripting vulnerability affecting TinyMCE versions prior to 5.10.0.
How do I fix CVE-2024-21910?
To mitigate CVE-2024-21910, upgrade TinyMCE to version 5.10.0 or later.
Which versions of TinyMCE are affected by CVE-2024-21910?
TinyMCE versions before 5.10.0 are affected by CVE-2024-21910.
Can CVE-2024-21910 be exploited remotely?
Yes, CVE-2024-21910 can be exploited remotely through a cross-site scripting attack.
Is there a patch for CVE-2024-21910 available?
Yes, the patch for CVE-2024-21910 is included in TinyMCE version 5.10.0 and later.
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