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CVE-2026-62324— Jodit has incomplete javascript: scheme normalization in sanitizeHTMLElement href check that allows link XSS

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 4.12.31之前版本存在跨站脚本漏洞，该漏洞源于sanitizeHTMLElement方法未能使用isDangerousUrl规范化javascript: href值，攻击者可利用大小写变体、控制字节前缀或嵌入的制表符/换行符绕过过滤，导致受害者点击存储的链接时执行任意脚本，造成跨站脚本攻击。

CVSS 5.4 · Medium EPSS 0.31% · P24

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
xdan jodit < 4.12.31 affected
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I. Basic Information for CVE-2026-62324

Vulnerability Information
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Vulnerability Title
Jodit has incomplete javascript: scheme normalization in sanitizeHTMLElement href check that allows link XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Jodit Editor is a WYSIWYG editor with a built-in file browser & image editor. Prior to 4.12.31, Jodit's sanitizeHTMLElement method fails to use isDangerousUrl to normalize javascript: href values before checking the scheme, allowing case variants, control-byte prefixes, and embedded tabs or newlines to bypass filtering and execute attacker-controlled script when a victim clicks a stored link rendered by an application. This issue is fixed in version 4.12.31.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(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 4.12.31之前版本存在跨站脚本漏洞，该漏洞源于sanitizeHTMLElement方法未能使用isDangerousUrl规范化javascript: href值，攻击者可利用大小写变体、控制字节前缀或嵌入的制表符/换行符绕过过滤，导致受害者点击存储的链接时执行任意脚本，造成跨站脚本攻击。
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 < 4.12.31 -

II. Public POCs for CVE-2026-62324

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III. Intelligence Information for CVE-2026-62324

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Patches & Fixes for CVE-2026-62324 (1)

Vendor Advisories for CVE-2026-62324 (1)

Vendor Pages for CVE-2026-62324 (1)

IV. Related Vulnerabilities

Same product: jodit
Same vendor: xdan
Same weakness: CWE-79