PT-2021-24244 · Mediawiki+1 · Mediawiki+1

Dylsss · Published 2021-12-20 · Updated 2024-03-06 · CVE-2021-45472

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: MediaWiki versions 1.37 and earlier

Description: The issue allows for XSS to occur in Wikibase due to an external identifier property having a URL format that includes a $1 formatter substitution marker. This can be exploited using the javascript: URL scheme among others.

Recommendations: For MediaWiki versions 1.37 and earlier, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2021-3561

ALT-PU-2022-1199

BIT-MEDIAWIKI-2021-45472

CVE-2021-45472

Affected Products

Alt Linux

Mediawiki

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2021-45472 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45472 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mediawiki-2021-45472 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-45472 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45472 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-45472 · Vendor Advisory
• https://t.me/cvenotify/26401 · Telegram Post
• https://gerrit.wikimedia.org/r/q/I37ece1dfdc80d38055067c9c4fa73ba591acd8bd · Note
• https://t.me/cvenotify/24868 · Telegram Post
• https://phabricator.wikimedia.org/T297570 · Note