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CVE-2021-29483— wikiconfig API leaked private config variables set through ManageWiki

Quick assessment

Affected
miraheze ManageWiki
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是美国维基媒体（MediaWiki）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 ManageWiki 存在信息泄露漏洞，该漏洞源于“wikiconfig”API泄露了私有配置变量的值。

CVSS 9.4 · Critical EPSS 1.21% · P66

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-29483

Vulnerability Information
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Vulnerability Title
wikiconfig API leaked private config variables set through ManageWiki
Source: CVE Program / CVE List V5
Vulnerability Description
ManageWiki is an extension to the MediaWiki project. The 'wikiconfig' API leaked the value of private configuration variables set through the ManageWiki variable to all users. This has been patched by https://github.com/miraheze/ManageWiki/compare/99f3b2c8af18...befb83c66f5b.patch. If you are unable to patch set `$wgAPIListModules['wikiconfig'] = 'ApiQueryDisabled';` or remove private config as a workaround.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki是美国维基媒体（MediaWiki）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 ManageWiki 存在信息泄露漏洞，该漏洞源于“wikiconfig”API泄露了私有配置变量的值。
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
miraheze ManageWiki < befb83c66f5b643e174897ea41a8a46679b26304 -

II. Public POCs for CVE-2021-29483

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III. Intelligence Information for CVE-2021-29483

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Patches & Fixes for CVE-2021-29483 (1)

Vendor Advisories for CVE-2021-29483 (1)

Other References for CVE-2021-29483 (1)

IV. Related Vulnerabilities

Same product: ManageWiki
Same vendor: miraheze
Same weakness: CWE-200

V. Comments for CVE-2021-29483

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