CVE-2026-65841 Details
Description
Jodit Editor is a WYSIWYG editor with a built-in file browser & image editor. Prior to 4.13.6, Jodit's clean-html denyTags filter does not normalize foreign SVG or MathML script node names, allowing a script element nested directly in SVG or MathML to remain in editor.value and execute when content is loaded. This issue is fixed in version 4.13.6.
A cross-site scripting vulnerability has been identified in Jodit Editor versions prior to 4.13.6. The issue arises in the clean-html plugin, where the denyTags filter fails to properly sanitize foreign SVG or MathML script node names. This oversight allows a script element nested directly within SVG or MathML to evade detection, remain in the editor's value, and execute when the content is loaded. The vulnerability is rooted in the fact that foreign-namespaced elements retain their original case, causing scripts in SVG to bypass the case-sensitive denyTags lookup and execute.
Users are advised to upgrade to Jodit Editor version 4.13.6 or later, where this vulnerability has been fixed. Additionally, implementing server-side sanitization of stored HTML can help mitigate the risk until the upgrade is completed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 31, 2026CISA-ADP
Assessed Jul 31, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/xdan/jodit/security/advisories/GHSA-45qg-252v-3f7p | CISA-ADP | AdvisoryExploitRemedyVendor |
| https://github.com/xdan/jodit/commit/49a31f451f6b686f5610022a1d4406ee85138dc5 | [email protected] | Source CodeVendor |
| https://github.com/xdan/jodit/releases/tag/4.13.6 | [email protected] | Release NotesVendor |
| https://github.com/xdan/jodit/security/advisories/GHSA-45qg-252v-3f7p | [email protected] | AdvisoryExploitRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-80 | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Jodit Editor | < 4.13.6 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 31, 2026 | New CVE Received | [email protected] |
| Jul 31, 2026 | CVE Modified | CISA-ADP |