CVE-2025-48827

critical

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.

References

https://kevintel.com/CVE-2025-48827

https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce

https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/

Details

Source: Mitre, NVD

Published: 2025-05-27

Updated: 2025-05-28

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00057