CVE-2026-42150: Weblate Wlc

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

wlc is a Weblate command-line client using Weblate's REST API. Prior to version 2.0.0, the HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser. This issue has been patched in version 2.0.0.

Affected products

• Weblate Wlc: before 2.0.0 (fixed in 2.0.0)

Published 2026-05-08. Last modified 2026-06-17.