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CVE-2025-23073— API list=globalblocks can reveal IP of autoblock if username and IP are included in the bgtargets parameter

Quick assessment

Affected
Wikimedia Foundation Mediawiki - GlobalBlocking Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mediawiki GlobalBlocking Extension是美国维基媒体（Wikimedia）基金会的一个扩展。 Mediawiki GlobalBlocking Extension存在信息泄露漏洞，该漏洞源于敏感信息暴露，允许未经授权的访问者获取嵌入的敏感数据。

AI Predicted 7.5 Difficulty: Easy EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-23073

Vulnerability Information
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Vulnerability Title
API list=globalblocks can reveal IP of autoblock if username and IP are included in the bgtargets parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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 MediaWiki’s GlobalBlocking Extension.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Mediawiki GlobalBlocking Extension 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mediawiki GlobalBlocking Extension是美国维基媒体（Wikimedia）基金会的一个扩展。 Mediawiki GlobalBlocking Extension存在信息泄露漏洞，该漏洞源于敏感信息暴露，允许未经授权的访问者获取嵌入的敏感数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wikimedia Foundation Mediawiki - GlobalBlocking Extension master -

II. Public POCs for CVE-2025-23073

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III. Intelligence Information for CVE-2025-23073

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Patches & Fixes for CVE-2025-23073 (1)

Vendor Advisories for CVE-2025-23073 (1)

Same Patch Batch · Wikimedia Foundation · 2025-01-14 · 5 CVEs total

CVE-2025-23074 Special:EditProfile exposes the contents of profile fields marked "hidden"/friends or "fri
CVE-2025-23081 Various security vulnerabilities in Extension:DataTransfer
CVE-2025-23080 XSSes in Special:BadgeView
CVE-2025-23072 XSS in Special:RefreshSpecial

IV. Related Vulnerabilities

Same vendor: Wikimedia Foundation
Same weakness: CWE-200

V. Comments for CVE-2025-23073

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