Symfony's HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing

Description Symfony\Component\HtmlSanitizer\TextSanitizer\UrlSanitizer::parse used by UrlSanitizer::sanitize and therefore by every HtmlSanitizer config that allows links or media accepts URLs that contain Unicode explicit-direction BiDi formatting characters: U+202A–U+202E LRE / RLE / PDF / LRO ...

GHSA-H5VQ-QFCG-4M6P Symfony's HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing

Description Symfony\Component\HtmlSanitizer\TextSanitizer\UrlSanitizer::parse used by UrlSanitizer::sanitize and therefore by every HtmlSanitizer config that allows links or media accepts URLs that contain Unicode explicit-direction BiDi formatting characters: U+202A–U+202E LRE / RLE / PDF / LRO ...

Improper Encoding or Escaping of Output

Overview symfony/symfony is a PHP framework for web applications and a set of reusable PHP components. Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the HtmlSanitizer component that fails to properly detect and strip percent-encoded BiDi...

EUVD-2026-31693

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

CVE-2026-45064: HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing

More info at https://symfony.com/cve-2026-45064...

CVE-2026-48760: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

More info at https://symfony.com/cve-2026-48760...

CVE-2026-48760: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense

More info at https://symfony.com/cve-2026-48760...