Vulnerability · Published Jan 3, 2024 · Assigned by VulnCheck
CVE-2024-21910Cross-site scripting vulnerability in TinyMCE plugins
Medium 6.1
In plain English
A medium-severity cross-site scripting in TinyMCE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | tinymce | 5.10.0 | GHSA-r8hm-w5f7-wj39 |
| Packagist | tinymce/tinymce | 5.10.0 | GHSA-r8hm-w5f7-wj39 |
| PyPI | django-tinymce | 3.4.0 | GHSA-r8hm-w5f7-wj39 |
| PyPI | django-tinymce | 3.4.0 | PYSEC-2026-632 |
| npm | tinymce | 5.10.0 | GHSA-r8hm-w5f7-wj39 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TinyMCE | 0 – before 5.10.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://github.com/tinymce/tinymce/security/advisories/GHSA-r8hm-w5f7-wj39 vendor-advisory
- https://github.com/jazzband/django-tinymce/issues/366 issue-tracking
- https://github.com/jazzband/django-tinymce/releases/tag/3.4.0 related
- https://pypi.org/project/django-tinymce/3.4.0/ related
- https://github.com/advisories/GHSA-r8hm-w5f7-wj39 vendor-advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-r8hm-w5f7-wj39 third-party-advisory