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CVE-2026-48761

MEDIUM
5.3
CVSS 4.0
Description
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.

Metadata

CVE ID
CVE-2026-48761
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-05-22 19:39 UTC
Published
2026-07-14 19:21 UTC
Last updated
2026-07-14 19:21 UTC
Primary CWE
CWE-79
CWE-79: Improper Neutralization of Input During Web Page Gen…
Vendor / Product
symfony / symfony
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products (2)
VendorProductPlatformVersions
symfony html-sanitizer — >= 6.1.0, < 6.4.41, >= 7.0.0-BETA1, < 7.4.13, >= 8.0.0-BETA1, < 8.0.13
symfony symfony — >= 6.1.0, < 6.4.41, >= 7.0.0-BETA1, < 7.4.13, >= 8.0.0-BETA1, < 8.0.13
Weakness (CWE)
CWESourceDescription
CWE-1023 cna CWE-1023: Incomplete Comparison with Missing Factors
CWE-79 cna CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS scores (1)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References (5)
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