XSS in Tiny Tinymce
CVE-2024-21908
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (63.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg (Exploit, vendor-advisory, Third Party Advisory)
- www.tiny.cloud/docs/release-notes/release-notes59/ (related, Release Notes)
- github.com/advisories/GHSA-5h9g-x5rv-25wg (vendor-advisory, Exploit, Third Party Advisory, third-party-advisory)
- vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2024-21908?
- CVE-2024-21908 is a medium-severity vulnerability in Tiny Tinymce, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-01-03.
- How severe is CVE-2024-21908?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2024-21908 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.