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CVE-2025-48827

CRITICAL
Published 2025-05-27T00:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
10.0
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

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.

Available Exploits

No exploits available for this CVE.

Related News

Two flaws in vBulletin forum software are under attack

Experts found two vulnerabilities in the vBulletin forum software, one of which is already being exploited in real-world attacks. Two critical vBulletin flaws, tracked as CVE-2025-48827 and CVE-2025-48828, enable API abuse and remote code execution. The exper…

Securityaffairs.com 2025-06-01 13:50
Read More

Affected Products

vBulletin

vBulletin

Affected Versions:

5.0.0 6.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-23fp-mrfv-cwv4

Advisory Details

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.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-48827
WEB https://blog.kevintel.com/vbulletin-replaceadtemplate-kev
WEB https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
WEB https://kevintel.com/CVE-2025-48827

Advisory provided by GitHub Security Advisory Database. Published: May 27, 2025, Modified: May 27, 2025

References

https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
https://kevintel.com/CVE-2025-48827
Published: 2025-05-27T00:00:00.000Z
Last Modified: 2025-05-27T18:03:31.961Z
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