Deserialization in Phpfox
CVE-2023-46817
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.phpfox.com/blog/ (Product)
- seclists.org/fulldisclosure/2023/Oct/30 (Exploit, Mailing List, Third Party Advisory)
- karmainsecurity.com/pocs/CVE-2023-46817.php (Exploit, Third Party Advisory)
- karmainsecurity.com/KIS-2023-12 (Third Party Advisory)
- docs.phpfox.com/display/FOX4MAN/phpFox+4.8.14 (Product)
Frequently asked questions
- What is CVE-2023-46817?
- CVE-2023-46817 is a critical-severity vulnerability in Phpfox, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-11-03.
- How severe is CVE-2023-46817?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-46817 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.