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CVE-2023-37252

Quick assessment

Affected
MediaWiki CheckUser
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.

在 MediaWiki 的 CheckUser 扩展（版本至 1.39.3 及更早版本）中发现一个问题：Special:CheckUserLog 页面会显示已被隐藏的用户名。

CVSS 3.1 · Low

Possible ATT&CK Techniques 1 AI

T1597 · Search Closed Sources
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I. Basic Information for CVE-2023-37252

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MediaWiki CheckUser 0 ~ 1.35.11 -

II. Public POCs for CVE-2023-37252

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III. Intelligence Information for CVE-2023-37252

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Vendor Pages for CVE-2023-37252 (1)

Same Patch Batch · MediaWiki · 2026-09-14 · 3 CVEs total

CVE-2024-23176 5.4 MEDIUM MediaWiki 1.40.2前MassMessage扩展XSS漏洞
CVE-2023-37253 3.1 LOW MediaWiki ProofreadPage 信息泄露漏洞

IV. Related Vulnerabilities

Same product: CheckUser
Same vendor: MediaWiki
Same weakness: CWE-669

V. Comments for CVE-2023-37252

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