medium5.1
CVE-2026-42150
wlc is a Weblate command-line client using Weblate's REST API.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | wlc | < 2.0.0 | 2.0.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Weblate | Wlc | before 2.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-gx2m-mcc2-r4p3
- https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3
- https://github.com/WeblateOrg/wlc/pull/1327
- https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469
- https://nvd.nist.gov/vuln/detail/CVE-2026-42150
- https://github.com/WeblateOrg/wlc/releases/tag/2.0.0