Security Advisory

CVE-2026-40301

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-17 20:51:37

Last updated 2026-04-20 14:57:39

Assigner GitHub_M

State PUBLISHED

Description

DOMSanitizer is a DOM/SVG/MathML Sanitizer for PHP 7.3+. Prior to version 1.0.10, DOMSanitizer::sanitize() allows <style> elements in SVG content but never inspects their text content. CSS url() references and @import rules pass through unfiltered, causing the browser to issue HTTP requests to attacker-controlled hosts when the sanitized SVG is rendered. Version 1.0.10 fixes the issue.

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