CVE-2024-21911: Cross-site scripting vulnerability in TinyMCE
First published: Wed Jan 06 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### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5h9g-x5rv-25wg.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 5.6.0 are affected by a stored cross-site scripting vulnerability. An unauthenticated and remote attacker could insert crafted HTML into the editor resulting in arbitrary JavaScript execution in another user's browser.
Credit: disclosure@vulncheck.com disclosure@vulncheck.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/tinymce | <5.6.0 | |
| composer/tinymce/tinymce | <5.6.0 | 5.6.0 |
| nuget/TinyMCE | <5.6.0 | 5.6.0 |
| npm/tinymce | <5.6.0 | 5.6.0 |
| TinyMCE | <5.6.0 |
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Reference Links
- https://github.com/tinymce/tinymce/security/advisories/GHSA-w7jx-j77m-wp65
- https://www.npmjs.com/package/tinymce
- https://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixes
- https://github.com/advisories/GHSA-w7jx-j77m-wp65 (Advisory)
- https://nvd.nist.gov/vuln/detail/CVE-2024-21911
- https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65
- https://github.com/advisories/GHSA-q5pp-5q2h-g8rv (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-21911?
CVE-2024-21911 is classified as a stored cross-site scripting vulnerability affecting TinyMCE versions before 5.6.0.
How do I fix CVE-2024-21911?
To mitigate CVE-2024-21911, upgrade TinyMCE to version 5.6.0 or later.
What versions of TinyMCE are affected by CVE-2024-21911?
CVE-2024-21911 affects TinyMCE versions prior to 5.6.0.
What type of vulnerability is CVE-2024-21911?
CVE-2024-21911 is a stored cross-site scripting (XSS) vulnerability.
Where can I find more information about CVE-2024-21911?
Detailed information about CVE-2024-21911 can be found in the original advisory related to it.
- collector/github-advisory-latest
- alias/GHSA-q5pp-5q2h-g8rv
- alias/GHSA-w7jx-j77m-wp65
- alias/CVE-2024-21911
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- canonical/tinymce