CVE-2023-46817: Phpfox

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in phpFox before 4.8.14. The url request parameter passed to the /core/redirect route is not properly sanitized before being used in a call to the unserialize() PHP function. This can be exploited by remote, unauthenticated attackers to inject arbitrary PHP objects into the application scope, allowing them to perform a variety of attacks, such as executing arbitrary PHP code.

Affected products

• Phpfox Phpfox: before 4.8.13 (fixed in 4.8.13)

Published 2023-11-03. Last modified 2026-06-17.