Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-48761

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlAttributeSanitizer::getSupportedAttributes() omitted URL-bearing attributes on <object>, <applet>, <iframe>, and <img>, and <meta http-equiv="refresh"> URLs inside content bypassed URL sanitization, allowing explicitly enabled elements or attributes to pass javascript: and similar payloads into sanitized output. This issue is fixed in versions 6.4.41, 7.4.13, and 8.0.13.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 36.2%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2026-48761


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