CVE-2024-21908
Cross-site scripting vulnerability in TinyMCE
MEDIUM
6.1
CVSS Score
Published: January 3, 2024 at 03:38 PM UTC
Updated: July 14, 2026 at 11:17 PM UTC
1 product affected across 1 vendorTinymce
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Vendor AdvisoryExploitThird Party Advisory
Source: [email protected]
https://github.com/advisories/GHSA-5h9g-x5rv-25wgVendor AdvisoryExploitThird Party Advisory
Source: [email protected]
https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wgThird Party Advisory
Source: [email protected]
https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wgRelatedRelease Notes
Source: [email protected]
https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixesSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.1MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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