CVE-2026-42150 | THREATINT

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.

PUBLISHED Reserved 2026-04-24 | Published 2026-05-08 | Updated 2026-05-08 | Assigner GitHub_M

MEDIUM: 5.1CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 2.0.0

affected

References

github.com/...rg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3

github.com/WeblateOrg/wlc/pull/1327

github.com/...ommit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469

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

cve.org (CVE-2026-42150)

nvd.nist.gov (CVE-2026-42150)

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