Vulnerability · Published May 27, 2025 · Assigned by mitre
CVE-2025-48828
Critical 9.0
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 57.3% (higher than 99.1% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code.
Official description
Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine. By crafting template code in an alternative PHP function invocation syntax, such as the "var_dump"("test") syntax, attackers can bypass security checks and execute arbitrary PHP code, as exploited in the wild in May 2025.
Affected products (as reported)
Weakness: CWE-424 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H