Cross-site scripting in Jodit Editor - #VU164392
Published: November 10, 2026
Vulnerability identifier: #VU164392
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary JavaScript in the embedding application's origin, disclose sensitive data, and perform actions as the victim.
The vulnerability exists due to stored cross-site scripting in Jodit Editor's iframe plugin when Document.write() processes full HTML documents before safeHTML sanitization with iframe and editHTMLDocumentMode enabled. A remote user can supply a document containing a <script> element that another user opens in the editor to execute JavaScript and access the parent page through the default unsandboxed, same-origin iframe.
Affected software
Jodit Editor
Remediation
Install security update from vendor's website.
Jodit Editor - update to 4.14.6