CVE-2021-30458
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 Parsoid是MediaWiki社区开源的一个应用程序。提供一个一个允许在Wikitext和HTML之间来回转换的库。 Wikimedia Parsoid 0.11.1之前版本及0.12.x系列0.12.2之前版本存在跨站脚本漏洞，攻击者可利用该漏洞可以发送精心制作的wikitext, Utils WTUtils.php将通过使用<meta>标记进行转换，绕过验证。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1200 · Hardware Additions T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-30458
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS.
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 Parsoid 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki Parsoid是MediaWiki社区开源的一个应用程序。提供一个一个允许在Wikitext和HTML之间来回转换的库。 Wikimedia Parsoid 0.11.1之前版本及0.12.x系列0.12.2之前版本存在跨站脚本漏洞，攻击者可利用该漏洞可以发送精心制作的wikitext, Utils WTUtils.php将通过使用<meta>标记进行转换，绕过验证。
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-2021-30458
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-30458 (1)
Other References for CVE-2021-30458 (2)
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https://phabricator.wikimedia.org/T279451 x_refsource_MISC
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https://www.mediawiki.org/wiki/Parsoid x_refsource_MISC
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Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-30458
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