Public vulnerability disclosure
CVE-2024-21911
Cross-site scripting vulnerability in TinyMCE
publishedCWE-79
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.
Technical severity6.1 mediumCVSS 3.1 · ADP: CISA-ADP
Published2024-01-03Source updated 2026-11-08
Collected2026-11-083 attributed sources
Fixes and workarounds
Fix
tinymce (npm): OSV reports a fixed version 5.6.0. Check the advisory for supported release branches.
Source: OSV GHSA-w7jx-j77m-wp65Fix
TinyMCE (NuGet): OSV reports a fixed version 5.6.0. Check the advisory for supported release branches.
Source: OSV GHSA-w7jx-j77m-wp65Fix
tinymce/tinymce (Packagist): OSV reports a fixed version 5.6.0. Check the advisory for supported release branches.
Source: OSV GHSA-w7jx-j77m-wp65Affected products and versions
| Product | Versions | Authority |
|---|---|---|
TinyMCE
nuget |
≥ 0; < 5.6.0 (affected, semver 2.0.0)
Other versions: unaffected |
CNA: VulnCheck |
tinymcetinymce
npm |
≥ 0; < 5.6.0 (affected, semver); OSV events: introduced 0; fixed 5.6.0Source events (semver)Other versions: unaffected |
OSV GHSA-w7jx-j77m-wp65 |
TinyMCETinyMCE
NuGet |
3.4.3.2 (affected, NuGet) 3.4.4 (affected, NuGet) 3.4.5 (affected, NuGet) 3.4.7 (affected, NuGet) 3.5.0 (affected, NuGet) 3.5.0.1 (affected, NuGet) 3.5.1 (affected, NuGet) 3.5.1.1 (affected, NuGet) 3.5.2 (affected, NuGet) 3.5.3 (affected, NuGet) 3.5.4 (affected, NuGet) 3.5.4.1 (affected, NuGet) 3.5.5 (affected, NuGet) 3.5.6 (affected, NuGet) 3.5.7 (affected, NuGet) 3.5.8 (affected, NuGet) 4.0.0 (affected, NuGet) 4.0.1 (affected, NuGet) 4.0.10 (affected, NuGet) 4.0.11 (affected, NuGet) 4.0.13 (affected, NuGet) 4.0.14 (affected, NuGet) 4.0.15 (affected, NuGet) 4.0.16 (affected, NuGet) 4.0.17 (affected, NuGet) 4.0.18 (affected, NuGet) 4.0.19 (affected, NuGet) 4.0.2 (affected, NuGet) 4.0.20 (affected, NuGet) 4.0.21 (affected, NuGet) 4.0.22 (affected, NuGet) 4.0.23 (affected, NuGet) 4.0.24 (affected, NuGet) 4.0.25 (affected, NuGet) 4.0.26 (affected, NuGet) 4.0.27 (affected, NuGet) 4.0.28 (affected, NuGet) 4.0.4 (affected, NuGet) 4.0.5 (affected, NuGet) 4.0.6 (affected, NuGet) 4.0.8 (affected, NuGet) 4.0.9 (affected, NuGet) 4.1.0 (affected, NuGet) 4.1.1 (affected, NuGet) 4.1.10 (affected, NuGet) 4.1.2 (affected, NuGet) 4.1.3 (affected, NuGet) 4.1.4 (affected, NuGet) 4.1.5 (affected, NuGet) 4.1.6 (affected, NuGet) 4.1.7 (affected, NuGet) 4.1.8 (affected, NuGet) 4.1.9 (affected, NuGet) 4.2.0 (affected, NuGet) 4.2.1 (affected, NuGet) 4.2.2 (affected, NuGet) 4.2.3 (affected, NuGet) 4.2.4 (affected, NuGet) 4.2.5 (affected, NuGet) 4.2.6 (affected, NuGet) 4.2.7 (affected, NuGet) 4.2.8 (affected, NuGet) 4.3.0 (affected, NuGet) 4.3.1 (affected, NuGet) 4.3.10 (affected, NuGet) 4.3.11 (affected, NuGet) 4.3.12 (affected, NuGet) 4.3.13 (affected, NuGet) 4.3.2 (affected, NuGet) 4.3.3 (affected, NuGet) 4.3.4 (affected, NuGet) 4.3.6 (affected, NuGet) 4.3.7 (affected, NuGet) 4.3.8 (affected, NuGet) 4.3.9 (affected, NuGet) 4.4.0 (affected, NuGet) 4.4.1 (affected, NuGet) 4.4.2 (affected, NuGet) 4.4.3 (affected, NuGet) 4.5.0 (affected, NuGet) 4.5.1 (affected, NuGet) 4.5.2 (affected, NuGet) 4.5.3 (affected, NuGet) 4.5.4 (affected, NuGet) 4.5.5 (affected, NuGet) 4.5.6 (affected, NuGet) 4.5.7 (affected, NuGet) 4.5.8 (affected, NuGet) 4.6.0 (affected, NuGet) 4.6.1 (affected, NuGet) 4.6.2 (affected, NuGet) 4.6.3 (affected, NuGet) 4.6.4 (affected, NuGet) 4.6.5 (affected, NuGet) 4.6.6 (affected, NuGet) 4.6.7 (affected, NuGet) 4.7.0 (affected, NuGet) 4.7.10 (affected, NuGet) 4.7.11 (affected, NuGet) 4.7.12 (affected, NuGet) 4.7.13 (affected, NuGet) 4.7.3 (affected, NuGet) 4.7.4 (affected, NuGet) 4.7.5 (affected, NuGet) 4.7.6 (affected, NuGet) 4.7.7 (affected, NuGet) 4.7.8 (affected, NuGet) 4.7.9 (affected, NuGet) 4.8.0 (affected, NuGet) 4.8.1 (affected, NuGet) 4.8.2 (affected, NuGet) 4.8.3 (affected, NuGet) 4.8.4 (affected, NuGet) 4.8.5 (affected, NuGet) 4.9.0 (affected, NuGet) 4.9.1 (affected, NuGet) 4.9.10 (affected, NuGet) 4.9.11 (affected, NuGet) 4.9.2 (affected, NuGet) 4.9.3 (affected, NuGet) 4.9.4 (affected, NuGet) 4.9.5 (affected, NuGet) 4.9.6 (affected, NuGet) 4.9.7 (affected, NuGet) 4.9.8 (affected, NuGet) 4.9.9 (affected, NuGet) 5.0.0 (affected, NuGet) 5.0.1 (affected, NuGet) 5.0.10 (affected, NuGet) 5.0.11 (affected, NuGet) 5.0.12 (affected, NuGet) 5.0.13 (affected, NuGet) 5.0.14 (affected, NuGet) 5.0.15 (affected, NuGet) 5.0.16 (affected, NuGet) 5.0.2 (affected, NuGet) 5.0.3 (affected, NuGet) 5.0.4 (affected, NuGet) 5.0.5 (affected, NuGet) 5.0.6 (affected, NuGet) 5.0.7 (affected, NuGet) 5.0.8 (affected, NuGet) 5.0.9 (affected, NuGet) 5.1.0 (affected, NuGet) 5.1.1 (affected, NuGet) 5.1.2 (affected, NuGet) 5.1.3 (affected, NuGet) 5.1.4 (affected, NuGet) 5.1.5 (affected, NuGet) 5.1.6 (affected, NuGet) 5.2.0 (affected, NuGet) 5.2.1 (affected, NuGet) 5.2.2 (affected, NuGet) 5.3.0 (affected, NuGet) 5.3.1 (affected, NuGet) 5.3.2 (affected, NuGet) 5.4.0 (affected, NuGet) 5.4.1 (affected, NuGet) 5.4.2 (affected, NuGet) 5.5.0 (affected, NuGet) 5.5.1 (affected, NuGet) Ecosystem version events: introduced 0; fixed 5.6.0 Source events (ECOSYSTEM)Other versions: unaffected |
OSV GHSA-w7jx-j77m-wp65 |
tinymce/tinymcetinymce/tinymce
Packagist |
4.0.0 (affected, Packagist) 4.0.1 (affected, Packagist) 4.0.10 (affected, Packagist) 4.0.11 (affected, Packagist) 4.0.12 (affected, Packagist) 4.0.13 (affected, Packagist) 4.0.14 (affected, Packagist) 4.0.15 (affected, Packagist) 4.0.16 (affected, Packagist) 4.0.17 (affected, Packagist) 4.0.18 (affected, Packagist) 4.0.19 (affected, Packagist) 4.0.2 (affected, Packagist) 4.0.20 (affected, Packagist) 4.0.21 (affected, Packagist) 4.0.22 (affected, Packagist) 4.0.23 (affected, Packagist) 4.0.24 (affected, Packagist) 4.0.25 (affected, Packagist) 4.0.26 (affected, Packagist) 4.0.27 (affected, Packagist) 4.0.28 (affected, Packagist) 4.0.3 (affected, Packagist) 4.0.4 (affected, Packagist) 4.0.5 (affected, Packagist) 4.0.6 (affected, Packagist) 4.0.7 (affected, Packagist) 4.0.8 (affected, Packagist) 4.0.9 (affected, Packagist) 4.1.0 (affected, Packagist) 4.1.1 (affected, Packagist) 4.1.10 (affected, Packagist) 4.1.2 (affected, Packagist) 4.1.3 (affected, Packagist) 4.1.4 (affected, Packagist) 4.1.5 (affected, Packagist) 4.1.6 (affected, Packagist) 4.1.7 (affected, Packagist) 4.1.8 (affected, Packagist) 4.1.9 (affected, Packagist) 4.2.0 (affected, Packagist) 4.2.1 (affected, Packagist) 4.2.2 (affected, Packagist) 4.2.3 (affected, Packagist) 4.2.4 (affected, Packagist) 4.2.5 (affected, Packagist) 4.2.6 (affected, Packagist) 4.2.7 (affected, Packagist) 4.2.8 (affected, Packagist) 4.3.0 (affected, Packagist) 4.3.1 (affected, Packagist) 4.3.10 (affected, Packagist) 4.3.11 (affected, Packagist) 4.3.12 (affected, Packagist) 4.3.13 (affected, Packagist) 4.3.2 (affected, Packagist) 4.3.3 (affected, Packagist) 4.3.4 (affected, Packagist) 4.3.6 (affected, Packagist) 4.3.7 (affected, Packagist) 4.3.8 (affected, Packagist) 4.3.9 (affected, Packagist) 4.4.0 (affected, Packagist) 4.4.1 (affected, Packagist) 4.4.2 (affected, Packagist) 4.4.3 (affected, Packagist) 4.5.0 (affected, Packagist) 4.5.1 (affected, Packagist) 4.5.12 (affected, Packagist) 4.5.2 (affected, Packagist) 4.5.3 (affected, Packagist) 4.5.4 (affected, Packagist) 4.5.5 (affected, Packagist) 4.5.6 (affected, Packagist) 4.5.7 (affected, Packagist) 4.5.8 (affected, Packagist) 4.5.9 (affected, Packagist) 4.6.0 (affected, Packagist) 4.6.1 (affected, Packagist) 4.6.2 (affected, Packagist) 4.6.3 (affected, Packagist) 4.6.4 (affected, Packagist) 4.6.5 (affected, Packagist) 4.6.6 (affected, Packagist) 4.6.7 (affected, Packagist) 4.7.0 (affected, Packagist) 4.7.1 (affected, Packagist) 4.7.10 (affected, Packagist) 4.7.11 (affected, Packagist) 4.7.12 (affected, Packagist) 4.7.13 (affected, Packagist) 4.7.2 (affected, Packagist) 4.7.3 (affected, Packagist) 4.7.4 (affected, Packagist) 4.7.5 (affected, Packagist) 4.7.6 (affected, Packagist) 4.7.7 (affected, Packagist) 4.7.8 (affected, Packagist) 4.7.9 (affected, Packagist) 4.8.0 (affected, Packagist) 4.8.1 (affected, Packagist) 4.8.2 (affected, Packagist) 4.8.3 (affected, Packagist) 4.8.4 (affected, Packagist) 4.8.5 (affected, Packagist) 4.9.0 (affected, Packagist) 4.9.1 (affected, Packagist) 4.9.10 (affected, Packagist) 4.9.11 (affected, Packagist) 4.9.2 (affected, Packagist) 4.9.3 (affected, Packagist) 4.9.4 (affected, Packagist) 4.9.5 (affected, Packagist) 4.9.6 (affected, Packagist) 4.9.7 (affected, Packagist) 4.9.8 (affected, Packagist) 4.9.9 (affected, Packagist) 5.0.0 (affected, Packagist) 5.0.1 (affected, Packagist) 5.0.10 (affected, Packagist) 5.0.11 (affected, Packagist) 5.0.12 (affected, Packagist) 5.0.13 (affected, Packagist) 5.0.14 (affected, Packagist) 5.0.15 (affected, Packagist) 5.0.16 (affected, Packagist) 5.0.2 (affected, Packagist) 5.0.3 (affected, Packagist) 5.0.4 (affected, Packagist) 5.0.5 (affected, Packagist) 5.0.6 (affected, Packagist) 5.0.7 (affected, Packagist) 5.0.8 (affected, Packagist) 5.0.9 (affected, Packagist) 5.1.0 (affected, Packagist) 5.1.1 (affected, Packagist) 5.1.2 (affected, Packagist) 5.1.3 (affected, Packagist) 5.1.4 (affected, Packagist) 5.1.5 (affected, Packagist) 5.1.6 (affected, Packagist) 5.2.0 (affected, Packagist) 5.2.1 (affected, Packagist) 5.2.2 (affected, Packagist) 5.3.0 (affected, Packagist) 5.3.1 (affected, Packagist) 5.3.2 (affected, Packagist) 5.4.0 (affected, Packagist) 5.4.1 (affected, Packagist) 5.4.2 (affected, Packagist) 5.5.0 (affected, Packagist) 5.5.1 (affected, Packagist) Ecosystem version events: introduced 0; fixed 5.6.0 Source events (ECOSYSTEM)Other versions: unaffected |
OSV GHSA-w7jx-j77m-wp65 |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.1 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | ADP: CISA-ADP |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/tinymce/tinymce/security/advisories/GHSA-w7jx-j77m-wp65CNA: VulnCheck · vendor-advisory
- https://www.npmjs.com/package/tinymceCNA: VulnCheck · related
- https://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixesCNA: VulnCheck · related
- https://github.com/advisories/GHSA-w7jx-j77m-wp65CNA: VulnCheck · vendor-advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65CNA: VulnCheck · third-party-advisory
- https://github.com/tinymce/tinymce/security/advisories/GHSA-w7jx-j77m-wp65ADP: CVE · vendor-advisory, x_transferred
- https://www.npmjs.com/package/tinymceADP: CVE · related, x_transferred
- https://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixesADP: CVE · related, x_transferred
- https://github.com/advisories/GHSA-w7jx-j77m-wp65ADP: CVE · third-party-advisory, x_transferred
- https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65ADP: CVE · third-party-advisory, x_transferred
- https://github.com/advisories/GHSA-w7jx-j77m-wp65OSV / GitHub Security Advisories · advisory
- https://osv.dev/vulnerability/GHSA-w7jx-j77m-wp65OSV / GitHub Security Advisories · osv
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