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CVE-2026-42150

MEDIUM

5.1

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.

CVE Details

CVSS v3.1 Score5.1

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredHIGH

User InteractionREQUIRED

Published5/8/2026

Last Modified5/12/2026

Sourcenvd

Honeypot Sightings0

Affected Products

weblate:wlc

Weaknesses (CWE)

CWE-79

References

https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469(security-advisories@github.com)

https://github.com/WeblateOrg/wlc/pull/1327(security-advisories@github.com)

https://github.com/WeblateOrg/wlc/releases/tag/2.0.0(security-advisories@github.com)

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

IOC Correlations

No correlations recorded

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