Cross-site Scripting (XSS) Affecting wlc package, versions <2.0.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.17% (8th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-WLC-16638670
  • published11 May 2026
  • disclosed8 May 2026

Introduced: 8 May 2026

CVE-2026-42150  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Debian:unstable wlc to version 2.0.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wlc package and not the wlc package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1