Detections
Analytics

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://isc.sans.edu/diary/rss/32006

https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-critical-flaw-in-vbulletin-forum-software/

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

Details

Source: Mitre, NVD

Published: 2025-05-27

Updated: 2025-06-25

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: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.10506

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest