Vulnerability · Published Jul 1, 2026 · Assigned by GitHub_M
CVE-2026-58263Jodit Editor: Mutation XSS in jodit clean-html via a MathML/style rawtext carrier
High 7.2
In plain English
A high-severity cross-site scripting in jodit from xdan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Jodit Editor is a WYSIWYG editor with a built-in file browser & image editor. In versions prior to 4.12.28, the built-in clean-html sanitizer can be bypassed by a MathML/<style> carrier that hides a dangerous element from the sanitizer's element walk, so a no-interaction event handler survives into the editor value, potentially causing Mutation XSS. When an application supplies attacker-influenced HTML to the editor's value-set or insertion paths, the sanitized output still contains a live <img ... onload=...> (or another non-onerror handler such as onfocus). A consumer that renders that output (element.innerHTML = editor.value) executes the handler with no user interaction. This issue has been fixed in version 4.12.28.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | jodit | 4.12.28 | GHSA-rxcw-mc6f-6hr3 |
Affected products (as reported)
Weakness: CWE-79, CWE-83 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
References
- https://github.com/xdan/jodit/security/advisories/GHSA-rxcw-mc6f-6hr3 x_refsource_CONFIRM