What’s Vulnerable › Vulnerabilities

CVE-2023-46817

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-03 · updated 2026-06-17
• Weakness: CWE-502

Description

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: before 4.8.13 — fixed in 4.8.13

How to fix

Upgrade to a fixed version: Phpfox 4.8.13. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/30
• https://docs.phpfox.com/display/FOX4MAN/phpFox+4.8.14
• https://karmainsecurity.com/KIS-2023-12
• https://karmainsecurity.com/pocs/CVE-2023-46817.php
• https://www.phpfox.com/blog/
• http://seclists.org/fulldisclosure/2023/Oct/30
• https://docs.phpfox.com/display/FOX4MAN/phpFox+4.8.14
• https://karmainsecurity.com/KIS-2023-12
• https://karmainsecurity.com/pocs/CVE-2023-46817.php
• https://www.phpfox.com/blog/

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