CVE-2026-45064

Medium

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse() passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized content to display a link destination that visually differs from the actual destination and enabling phishing-style visual spoofing. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.

SeverityMedium
CVSS6.1
Exploit probability—
ProductSensiolabs Symfony
PublishedJul 14, 2026
First seenJul 14, 2026

How to fix

Update
  • sensiolabs symfony6.4.40, 7.4.12, 8.0.12 or later
  • symfony/html-sanitizer6.4.40, 7.4.12, 8.0.12 or later
  • symfony/symfony6.4.40, 7.4.12, 8.0.12 or later

Affected products

ProductAffected versionsFixed in
sensiolabs symfony6.1.0 ≤ v < 6.4.40, 7.0.0 ≤ v < 7.4.12, 8.0.0 ≤ v < 8.0.126.4.40, 7.4.12, 8.0.12
symfony/html-sanitizerPackagist6.1.0 ≤ v < 6.4.40, 7.0.0 ≤ v < 7.4.12, 8.0.0 ≤ v < 8.0.126.4.40, 7.4.12, 8.0.12
symfony/symfonyPackagist6.1.0 ≤ v < 6.4.40, 7.0.0 ≤ v < 7.4.12, 8.0.0 ≤ v < 8.0.126.4.40, 7.4.12, 8.0.12

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