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, HtmlSanitizer URL sanitization can allow off-allowlist URLs through allowLinkHosts() or allowMediaHosts() because UrlSanitizer::parse() follows RFC 3986 while browsers follow WHATWG URL parsing, and because <area href> is checked against the media policy rather than the link policy. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
symfony symfony
>= 6.1.0-BETA1, < 6.4.40affected>= 7.0.0-BETA1, < 7.4.12affected>= 8.0.0-BETA1, < 8.0.12affected
symfony html-sanitizer
>= 6.1.0-BETA1, < 6.4.40affected>= 7.0.0-BETA1, < 7.4.12affected>= 8.0.0-BETA1, < 8.0.12affected
References
- https://github.com/symfony/symfony/security/advisories/GHSA-qc95-4862-92fh ↗
- https://github.com/symfony/symfony/commit/d506b556d3d3906f3e8660ad82257ce87edbaac4 ↗
- https://github.com/symfony/symfony/releases/tag/v6.4.40 ↗
- https://github.com/symfony/symfony/releases/tag/v7.4.12 ↗
- https://github.com/symfony/symfony/releases/tag/v8.0.12 ↗