All vulnerabilities

Servers and applications

GHSA-q8jq-xrf4-v5j8

HtmlSanitizer Does Not URL-Sanitize srcset and imagesrcset: Media Scheme and Host Allow-List Bypass

Severity
Low
Published
4 Nov 2026
Last changed
4 Nov 2026
Added to UpHeron
4 Nov 2026
Fixed in
6.4.50, 7.4.23, 8.1.11
Sources
Project advisories (GitHub)

Affected software

SoftwareAffected versions
SymfonyServers and applications · github:symfony/symfony
  • From 6.1 before 6.4.50
  • From 7 before 7.4.23
  • From 8 before 8.1.11

References