Vulnerability · Published Jan 3, 2024 · Assigned by VulnCheck
CVE-2024-21908Cross-site scripting vulnerability in TinyMCE
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 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)1.1%top 35.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
TinyMCE versions before 5.9.0 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | tinymce | 5.9.0 | GHSA-5h9g-x5rv-25wg |
| Packagist | tinymce/tinymce | 5.9.0 | GHSA-5h9g-x5rv-25wg |
| npm | tinymce | 5.9.0 | GHSA-5h9g-x5rv-25wg |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TinyMCE | 0 – before 5.9.0 |
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-5h9g-x5rv-25wg vendor-advisory
- https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes related
- https://github.com/advisories/GHSA-5h9g-x5rv-25wg vendor-advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg third-party-advisory