CVE-2026-48761

EUVD-2026-44389
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
sensiolabssymfony
6.1.0 ≤
𝑥
< 6.4.41
sensiolabssymfony
7.0.0 ≤
𝑥
< 7.4.13
sensiolabssymfony
8.0.0 ≤
𝑥
< 8.0.13
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
symfony
bookworm
5.4.53+dfsg-0+deb12u1
fixed
bookworm (security)
5.4.53+dfsg-0+deb12u1
fixed
bullseye
4.4.19+dfsg-2+deb11u6
fixed
bullseye (security)
4.4.19+dfsg-2+deb11u7
fixed
forky
7.4.16+dfsg-1
fixed
sid
7.4.16+dfsg-1
fixed
trixie
6.4.41+dfsg-0+deb13u1
fixed
trixie (security)
6.4.41+dfsg-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
symfony
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
needs-triage