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CVE-2026-65841— Jodit has cross-site scripting (XSS) via <script> nested in SVG that bypasses clean-html sanitization

Quick assessment

Affected
xdan jodit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Valerii jodit是Valerii个人开发者的一款网页文本编辑器插件。 Valerii Jodit Editor 4.13.6之前版本存在跨站脚本漏洞，该漏洞源于clean-html denyTags过滤器未规范化外部SVG或MathML脚本节点名称，导致嵌套在SVG或MathML中的脚本元素保留在editor.value中并在内容加载时执行。

CVSS 5.3 · Medium EPSS 0.53% · P44

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
xdan jodit < 4.13.6 affected
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I. Basic Information for CVE-2026-65841

Vulnerability Information
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Vulnerability Title
Jodit has cross-site scripting (XSS) via <script> nested in SVG that bypasses clean-html sanitization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Valerii Jodit Editor 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Valerii jodit是Valerii个人开发者的一款网页文本编辑器插件。 Valerii Jodit Editor 4.13.6之前版本存在跨站脚本漏洞，该漏洞源于clean-html denyTags过滤器未规范化外部SVG或MathML脚本节点名称，导致嵌套在SVG或MathML中的脚本元素保留在editor.value中并在内容加载时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
xdan jodit < 4.13.6 -

II. Public POCs for CVE-2026-65841

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-65841

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Patches & Fixes for CVE-2026-65841 (1)

Vendor Pages for CVE-2026-65841 (1)

Other References for CVE-2026-65841 (1)

IV. Related Vulnerabilities

Same product: jodit
Same vendor: xdan
Same weakness: CWE-80