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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-48761

28
FAUCET Score

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.

First published: Jul 14, 2026Last modified: Jul 14, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.1.0, < 6.4.41CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
>= 7.0.0, < 7.4.13CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
>= 8.0.0, < 8.0.13CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
18.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 19th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

composerpatch availablevia ghsa
Product: symfony/html-sanitizerFixed in: 8.0.13
composerpatch availablevia ghsa
Product: symfony/html-sanitizerFixed in: 6.4.41
composerpatch availablevia ghsa
Product: symfony/html-sanitizerFixed in: 7.4.13
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 8.0.13
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 6.4.41
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 7.4.13
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-x5qj-865h-mgvmmedium

Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes

Jun 15, 2026

References

github.com / symfony/symfony/commit/069a70f9f26e61e9de3b7f9a864a86ed24b36bd0
Patch
github.com / symfony/symfony/releases/tag/v6.4.41
ProductRelease Notes
github.com / symfony/symfony/releases/tag/v7.4.13
ProductRelease Notes
github.com / symfony/symfony/releases/tag/v8.0.13
ProductRelease Notes
github.com / symfony/symfony/security/advisories/GHSA-x5qj-865h-mgvm
PatchVendor Advisory