getformwork URI Sanitizer DomSanitizer.php sanitizeNodeAttribute cross site scripting

A security vulnerability has been detected in getformwork formwork up to 2.3.12. Impacted is the function DomSanitizer::sanitizeNodeAttribute of the file formwork/src/Sanitizer/DomSanitizer.php of the component URI Sanitizer. Such manipulation of the argument formaction leads to cross site scripting. The attack may be launched remotely. Upgrading to version 2.3.13 is recommended to address this issue. The name of the patch is 729701e59c5886685c5a1d477bdc3035e41f18b1. Upgrading the affected component is advised.

Source published

6 Oct 2026 15:30:18 UTC

Source modified

6 Oct 2026 17:20:55 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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