CVE-2021-45472
Quick assessment
Affected
n/a n/a
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。 MediaWiki 1.37及之前版本存在跨站脚本漏洞，攻击者可以利用"Wikibase"字段进行漏洞攻击。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-45472
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki 跨站脚本漏洞
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。 MediaWiki 1.37及之前版本存在跨站脚本漏洞，攻击者可以利用"Wikibase"字段进行漏洞攻击。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-45472
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2021-45472 (1)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-45472 (2)
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https://phabricator.wikimedia.org/T297570 x_refsource_MISC
Same Patch Batch · n/a · 2021-12-24 · 8 CVEs total
| CVE-2021-23490 | 7.5 HIGH | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-23574 | 7.5 HIGH | Prototype Pollution |
| CVE-2021-23772 | 7.5 HIGH | Arbitrary File Write |
| CVE-2021-45480 | Linux kernel 安全漏洞 | |
| CVE-2021-45471 | MediaWiki 安全漏洞 | |
| CVE-2021-45473 | MediaWiki 跨站脚本漏洞 | |
| CVE-2021-45474 | MediaWiki 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-45472
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