Vulnerability Description
vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vbulletin | Vbulletin | >= 5.0.0, <= 5.7.5 |
Related Weaknesses (CWE)
References
- https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rceExploitThird Party Advisory
- https://kevintel.com/CVE-2025-48827Third Party Advisory
- https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/Broken Link
FAQ
What is CVE-2025-48827?
CVE-2025-48827 is a vulnerability with a CVSS score of 10.0 (CRITICAL). vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method...
How severe is CVE-2025-48827?
CVE-2025-48827 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-48827?
Check the references section above for vendor advisories and patch information. Affected products include: Vbulletin Vbulletin.