MediaWiki GlobalBlocking Ext: Sensitive Info Leak to Unauthorized Actor
CVE-2025-23073 Published on January 14, 2025

API list=globalblocks can reveal IP of autoblock if username and IP are included in the bgtargets parameter
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data. This issue briefly impacted the master branch of MediaWikis GlobalBlocking Extension.

NVD

Vulnerability Analysis

CVE-2025-23073 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2025-23073. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Types

What is an Information Disclosure Vulnerability?

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

CVE-2025-23073 has been classified to as an Information Disclosure vulnerability or weakness.

What is an Argument Injection Vulnerability?

The software constructs a string for a command to executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.

CVE-2025-23073 has been classified to as an Argument Injection vulnerability or weakness.


Products Associated with CVE-2025-23073

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MediaWiki
 

Affected Versions

Wikimedia Foundation Mediawiki - GlobalBlocking Extension Version master is affected by CVE-2025-23073

Exploit Probability

EPSS
0.23%
Percentile
45.20%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.