CVE-2026-42150 — MEDIUM (5.1)

Q: How severe is CVE-2026-42150?

CVE-2026-42150 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-42150?

Check the references section above for vendor advisories and patch information. Affected products include: Weblate Wlc.

Vulnerability 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.

CVSS Score

5.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Weblate	Wlc	< 2.0.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b846Patch
https://github.com/WeblateOrg/wlc/pull/1327Issue TrackingPatch
https://github.com/WeblateOrg/wlc/releases/tag/2.0.0Release Notes
https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3Vendor Advisory

FAQ

What is CVE-2026-42150?

CVE-2026-42150 is a vulnerability with a CVSS score of 5.1 (MEDIUM). 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 ...

How severe is CVE-2026-42150?

CVE-2026-42150 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42150?

Check the references section above for vendor advisories and patch information. Affected products include: Weblate Wlc.