Vulnerability DatabaseCVE-2025-61766
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CVE-2025-61766
October 06, 2025
Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to version 1.0.0, infinite recursion can occur if a user queries a bucket using the "!=" comparator. This will result in PHP's call stack limit exceeding, and/or increased memory consumption, potentially leading to a denial of service. Version 1.0.0 contains a patch for the issue.
Related Resources (3)
https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/6f4a71d531cb802cdb991d2a4ca7bf8fb691defd
https://github.com/weirdgloop/mediawiki-extensions-Bucket/blob/ad704120a1660b5929fb5825db1cf85c9c77acf4/includes/Expression/MemberOfExpression.php#L34
https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-r9f2-4jh3-659j
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Recursion
CWE-674
EPSS
Base Score:
0.13