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CVE-2026-42150 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5.1 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469	[email protected]	Patch
https://github.com/WeblateOrg/wlc/pull/1327	[email protected]	Issue TrackingPatch
https://github.com/WeblateOrg/wlc/releases/tag/2.0.0	[email protected]	Release Notes
https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
weblate wlc	< 2.0.0
CPE cpe:2.3:a:weblate:wlc:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
May 12, 2026	Initial Analysis	[email protected]
May 8, 2026	New CVE Received	[email protected]