XSS in Tiny Tinymce
CVE-2026-47760
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.
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: 0.002 (8.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Tiny Tinymce
- Tinymce — versions >= 6.0.0, < 7.1.0
Weakness classification (CWE)
References
- github.com/tinymce/tinymce/security/advisories/GHSA-mh5m-5hw4-5c69 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-47760?
- CVE-2026-47760 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-2026-47760?
- High severity. CVSS v3 base score is 8.7 out of 10.