PT-2021-23484 · Mediawiki+1 · Mediawiki+1

Suffusion_Of_Yellow · Published 2021-10-06 · Updated 2024-03-06 · CVE-2021-42045

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MediaWiki versions through 1.36.2

Description An issue was discovered in SecurePoll in the Growth extension, where simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.

Recommendations For versions through 1.36.2, update to a version that contains a fix for this issue to prevent users from creating alerts by manipulating the User-Agent header.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2021-3561

ALT-PU-2022-1199

BIT-MEDIAWIKI-2021-42045

CVE-2021-42045

Affected Products

Alt Linux

Mediawiki

References · 5

• https://gerrit.wikimedia.org/r/q/I4f04083cd00884d3b85245460774c81c7639a578 · Vendor Advisory
• https://phabricator.wikimedia.org/T289385 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42045 · Security Note
• https://osv.dev/vulnerability/BIT-mediawiki-2021-42045 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42045 · Vendor Advisory