CVE-2026-42150

wlc: print_html outputs API data without HTML escaping, enabling stored XSS

CVSS 5.1 MEDIUMEPSS 0.2%CWE-79

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

Affected products

WeblateOrg · wlc

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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