CVSS v3
10
CRITICAL
EPSS Score
69.4%
exploit probability
CISA KEV
No
known exploited
Exploitation
poc
SSVC status
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.
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.
A proof-of-concept exploit exists for CVE-2025-48827, but active exploitation has not been confirmed at this time.
CVE-2025-48827 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string 3.1.
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Ranked by exploit probability (EPSS).