XSS in Tiny Tinymce
CVE-2026-47762
TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Tiny Tinymce
- Tinymce — versions < 5.11.1, >= 6.0.0, <= 6.8.6, >= 7.0.0, < 7.9.3
Weakness classification (CWE)
References
- github.com/tinymce/tinymce/security/advisories/GHSA-v98h-vmpc-fpqv (Vendor Advisory)
- www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/ (Release Notes)
- www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/ (Release Notes)
Frequently asked questions
- What is CVE-2026-47762?
- CVE-2026-47762 is a high-severity vulnerability in Tiny Tinymce, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-05-28.
- How severe is CVE-2026-47762?
- High severity. CVSS v3 base score is 8.7 out of 10.