CVE-2026-42150
medium
CVSS v3
4.8
CVSS v4 NEW
—
VIR risk
4.8
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.
Predictions
Exploit likelihood
58%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 2.0.0-1 |
| forky | Fixed | 2.0.0-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| weblate | wlc | {"endExcluding":"2.0.0"} | 2.0.0 |
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
- https://nvd.nist.gov/vuln/detail/CVE-2026-42150
- https://github.com/WeblateOrg/wlc
- https://security-tracker.debian.org/tracker/CVE-2026-42150
- https://github.com/advisories/GHSA-gx2m-mcc2-r4p3
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.