CVE-2023-46817

Name: CVE-2023-46817
Creator: NVD / NIST
Published: 2023-11-03T05:15:30.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2023-46817 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.81%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phpfox	Phpfox	< 4.8.13

References

http://seclists.org/fulldisclosure/2023/Oct/30Exploit, Mailing List, Third Party Advisory
https://docs.phpfox.com/display/FOX4MAN/phpFox+4.8.14Product
https://karmainsecurity.com/KIS-2023-12Third Party Advisory
https://karmainsecurity.com/pocs/CVE-2023-46817.phpExploit, Third Party Advisory
https://www.phpfox.com/blog/Product
http://seclists.org/fulldisclosure/2023/Oct/30Exploit, Mailing List, Third Party Advisory
https://docs.phpfox.com/display/FOX4MAN/phpFox+4.8.14Product
https://karmainsecurity.com/KIS-2023-12Third Party Advisory
https://karmainsecurity.com/pocs/CVE-2023-46817.phpExploit, Third Party Advisory
https://www.phpfox.com/blog/Product

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46817?

How severe is CVE-2023-46817?

CVE-2023-46817 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46817?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46817?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST