PT-2021-23411 · Mediawiki+1 · Mediawiki+1

Zabe · Published 2021-10-01 · Updated 2024-03-06 · CVE-2021-41798

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 prior to 1.36.2

Description The issue allows for XSS due to month-related MediaWiki messages not being escaped before being used on the Special:Search results page.

Recommendations For versions prior to 1.36.2, update to version 1.36.2 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2021-3561

ALT-PU-2022-1199

BIT-MEDIAWIKI-2021-41798

CVE-2021-41798

DLA-2779-1

DSA-4979-1

MGASA-2021-0477

Affected Products

Alt Linux

Mediawiki

References · 24

• 🔥 https://phabricator.wikimedia.org/T285515 · Exploit
• https://security.gentoo.org/glsa/202305-24 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41798 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-41798 · Security Note
• https://osv.dev/vulnerability/MGASA-2021-0477 · Vendor Advisory
• https://debian.org/security/2021/dsa-4979 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-41798 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-41798 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mediawiki-2021-41798 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2779-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-41798 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4979-1 · Vendor Advisory