PT-2021-24246 · Mediawiki+1 · Mediawiki+1

Dylsss · Published 2021-12-20 · Updated 2024-03-06 · CVE-2021-45474

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 through 1.37

Description: The issue concerns a problem where the Special:ImportFile URI, also known as FileImporter, in MediaWiki allows for cross-site scripting (XSS) attacks. This is demonstrated through the clientUrl parameter.

Recommendations: For MediaWiki versions through 1.37, as a temporary workaround, consider restricting access to the Special:ImportFile URI until a patch is available. Avoid using the clientUrl parameter in the affected API endpoint until the issue is resolved. 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-2021-45474

CVE-2021-45474

Affected Products

Alt Linux

Mediawiki

References · 11

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mediawiki-2021-45474 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45474 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45474 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45474 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-45474 · Security Note
• https://ubuntu.com/security/CVE-2021-45474 · Vendor Advisory
• https://phabricator.wikimedia.org/T296605 · Note
• https://gerrit.wikimedia.org/r/q/Id1c8910aeac5b452fbabeddab70360765518223e · Note
• https://t.me/cvenotify/24867 · Telegram Post
• https://t.me/cvenotify/26311 · Telegram Post