CVE-2025-48827

Public Exploit

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory karmainsecurity.com Third-Party Advisory kevintel.com
Affected: vBulletin vBulletin
Published at:
Updated at:

References

Link Tags
https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce third party advisory exploit
https://kevintel.com/CVE-2025-48827 third party advisory
https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/ broken link

Frequently Asked Questions

What is the severity of CVE-2025-48827?
CVE-2025-48827 has been scored as a critical severity vulnerability.
How to fix CVE-2025-48827?
To fix CVE-2025-48827, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-48827 being actively exploited in the wild?
It is possible that CVE-2025-48827 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-48827?
CVE-2025-48827 affects vBulletin vBulletin.
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