CVE-2025-53490: Jly Campaignevents

Medium severity, CVSS 5.6. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.

Affected products

• Jly Campaignevents: affected versions not specified

Published 2025-07-03. Last modified 2026-06-17.