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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/symfony/symfony/commit/069a70f9f26e61e9de3b7f9a864a86ed24b36bd0	Patch
https://github.com/symfony/symfony/releases/tag/v6.4.41	Product Release Notes
https://github.com/symfony/symfony/releases/tag/v7.4.13	Product Release Notes
https://github.com/symfony/symfony/releases/tag/v8.0.13	Product Release Notes
https://github.com/symfony/symfony/security/advisories/GHSA-x5qj-865h-mgvm	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sensiolabs:symfony::::::::
	cpe:2.3:a:sensiolabs:symfony::::::::
	cpe:2.3:a:sensiolabs:symfony::::::::

History

No history.

Information

Published : 2026-07-14 20:17

Updated : 2026-07-21 19:17

NVD link : CVE-2026-48761

Mitre link : CVE-2026-48761

CVE.ORG link : CVE-2026-48761

JSON object : View

Products Affected

sensiolabs

symfony

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-1023

Incomplete Comparison with Missing Factors

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