Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via the CalcField.php process. An attacker can execute arbitrary PHP code or cause a server crash by submitting specially crafted input that bypasses sanitization and is processed by the eval function. Remediati...

CVE-2026-52778: Improper Control of Generation of Code

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...