GHSA-PX5M-H76G-P7P8 YesWiki has Unsafe eval() in its Formula Calculato, Leading to Remote Code Execution & Denial of Service

Summary An unsafe execution vulnerability exists in the Bazar form field calculator CalcField.php of YesWiki. The application attempts to sanitize user-defined mathematical formulas using a complex recursive regular expression before passing them to the PHP eval function. This implementation is...

CVE-2026-52778

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, an unsafe execution vulnerability exists in the Bazar form field calculator CalcField.php of YesWiki. The application attempts to sanitize user-defined mathematical formulas using a complex recursive regular expression before passin...