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CVE-2026-103687— rhukster dom-sanitizer SVG Sanitization DOMSanitizer.php url incomplete blacklist

Quick assessment

Affected
rhukster dom-sanitizer
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.

在 rhukster/dom-sanitizer 1.0.15 及更早版本中发现了一个漏洞。受影响的是 SVG 净化组件中 文件里的 函数。该漏洞导致黑名单不完整，攻击者可远程利用此缺陷发起攻击。相关利用方法已公开披露，可能被实际使用。升级到 1.0.16 版本即可修复此问题。补丁提交哈希为 。建议升级受影响组件以消除风险。

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-103687

Vulnerability Information
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Vulnerability Title
rhukster dom-sanitizer SVG Sanitization DOMSanitizer.php url incomplete blacklist
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in rhukster dom-sanitizer up to 1.0.15. The affected element is the function url of the file src/DOMSanitizer.php of the component SVG Sanitization. Such manipulation leads to incomplete blacklist. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.16 is sufficient to fix this issue. The name of the patch is 139c46c3d7c9bc81542b7b5a58d5cde5d0e0195a. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
rhukster dom-sanitizer 1.0.0 cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-103687

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III. Intelligence Information for CVE-2026-103687

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Patches & Fixes for CVE-2026-103687 (2)

Vendor Advisories for CVE-2026-103687 (1)

Proof of Concept for CVE-2026-103687 (1)

IV. Related Vulnerabilities

Same product: dom-sanitizer
Same vendor: rhukster
Same weakness: CWE-184

V. Comments for CVE-2026-103687

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