CVE-2025-48827

CRITICALCVSS 9.8/10EPSS 69.65%

Last modified

CVE-2025-48827 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 69.65% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
69.65%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VbulletinVbulletin>= 5.0.0, <= 5.7.5
VbulletinVbulletin>= 6.0.0, <= 6.0.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-48827?
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.
How severe is CVE-2025-48827?
CVE-2025-48827 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 69.65% probability of exploitation in the next 30 days.
How do I fix CVE-2025-48827?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-48827?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST