BaseFortify

Publication date: 2025-05-27

Last updated on: 2025-06-25

Assigner: MITRE

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-05-27

Last Modified

2025-06-25

Generated

2026-10-16

AI Q&A

2025-05-28

EPSS Evaluated

2026-10-14

NVD

CVE-2025-48827

EUVD

EUVD-2025-28267

Affected Vendors & Products

Vendor	Product	Version / Range
vbulletin	vbulletin	From 5.0.0 (inc) to 5.7.5 (inc)
vbulletin	vbulletin	From 6.0.0 (inc) to 6.0.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-424	The product does not sufficiently protect all possible paths that a user can take to access restricted functionality or resources.

Attack-Flow Graph

Executive Summary

This vulnerability in vBulletin versions 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 the software is running on PHP 8.1 or later. This is done by exploiting the /api.php?method=protectedMethod pattern, enabling attackers to access functionality that should be restricted without authentication. ['description']

Impact Analysis

The vulnerability allows unauthenticated attackers to access protected API methods, potentially leading to unauthorized actions or data exposure within the vBulletin application. Given the CVSS score of 10.0, this represents a critical security risk that can be exploited in the wild, as demonstrated in May 2025. ['description', 'cvss']

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