Vulnerability · Published May 27, 2025 · Assigned by mitre
CVE-2025-48827
Critical 10.0
In plain English
A critical-severity security flaw in vBulletin from vBulletin. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 75.6% (higher than 99.5% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code.
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)75.6%top 0.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling3Metasploit, Nuclei, Public PoC
Official 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.
Affected products (as reported)
Weakness: CWE-424 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H