CVE-2026-42150

Published: May 8, 2026Modified: Jun 17, 2026

4.8

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitability: 1.7 / Impact: 2.7

Source: NVD

Description

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 (1)

Products: Weblate: Wlc

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Weblate Wlc	Before 2.0.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469

Source: security-advisories@github.com

Patch

https://github.com/WeblateOrg/wlc/pull/1327

Source: security-advisories@github.com

Issue TrackingPatch

https://github.com/WeblateOrg/wlc/releases/tag/2.0.0

Source: security-advisories@github.com

Release Notes

https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.