Vulnerability Name: | CVE-2021-31550 (CCN-200576) | ||||||||||||
Assigned: | 2020-12-23 | ||||||||||||
Published: | 2020-12-23 | ||||||||||||
Updated: | 2021-04-27 | ||||||||||||
Summary: | An issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers. | ||||||||||||
CVSS v3 Severity: | 5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) 5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
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CVSS v2 Severity: | 3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
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Vulnerability Type: | CWE-79 | ||||||||||||
Vulnerability Consequences: | Cross-Site Scripting | ||||||||||||
References: | Source: MITRE Type: CNA CVE-2021-31550 Source: XF Type: UNKNOWN mediawiki-cve202131550-xss(200576) Source: MISC Type: Issue Tracking, Vendor Advisory https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Commentbox/+/651934/ Source: CCN Type: Phabricator T270767 Wg variables aren't validated by CommentBox - possible raw html insertion risk Source: MISC Type: Third Party Advisory https://phabricator.wikimedia.org/T270767 | ||||||||||||
Vulnerable Configuration: | Configuration 1: Configuration CCN 1: ![]() | ||||||||||||
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