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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

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.

CVE-2025-48827 is a critical vulnerability affecting vBulletin forum software versions 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 when running on PHP 8.1 or later. The vulnerability stems from improper protection of alternate paths (CWE-424), allowing unauthenticated users to invoke protected API controller methods directly via crafted HTTP requests, specifically using the pattern /api.php?method=protectedMethod. This bypasses intended access controls and authentication mechanisms. The root cause appears to be a flaw in how vBulletin handles API method invocation under PHP 8.1+, potentially due to changes in PHP behavior or insufficient validation of method access rights. Exploitation does not require any user interaction or privileges, making it trivially exploitable remotely over the network. Successful exploitation can lead to complete compromise of confidentiality, integrity, and availability of the affected vBulletin installation, including unauthorized data access, modification, or deletion, and potentially full system takeover depending on server configuration. The CVSS v3.1 base score is 10.0, reflecting the critical nature of this vulnerability with network attack vector, no privileges or user interaction required, and scope change. Although no public exploits are currently documented in the wild, the vulnerability was disclosed in May 2025 and is likely to be targeted rapidly given the severity and ease of exploitation. No official patches or mitigations have been linked yet, indicating organizations must urgently apply vendor updates once available or implement temporary controls.

Detailed information about CVE-2025-48827: CWE-424 Improper Protection of Alternate Path in vBulletin vBulletin affecting vBulletin vBulletin. Get real-time upd

CVE-2025-48827: CWE-424 Improper Protection of Alternate Path in vBulletin vBulletin - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-48827: CWE-424 Improper Protection of Alternate Path in vBulletin vBulletin

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