Medium (6.1). EPSS 0.2% chance of exploitation in the next 30 days.
Cross-Site Request Forgery (CSRF), Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Cross Site Request Forgery, Cross-Site Scripting (XSS).This issue affects Mediawiki - DataTransfer Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)