CVE-2026-42150

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 3.1

4.8CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-26)

CWE

CWE-79

Published

2026-05-08

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• weblate:wlc

Packages (OSV)

References

• https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469
• https://github.com/WeblateOrg/wlc/pull/1327
• https://github.com/WeblateOrg/wlc/releases/tag/2.0.0
• https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3

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