CVE-2026-85574 — HIGH (8.0)

Vulnerability Description

The Unbounce Landing Pages WordPress plugin before 1.1.5 does not perform any authorisation check when updating the configuration its front-end proxy relies on, allowing any authenticated user, such as a subscriber, to point that proxy at a host they control and have arbitrary content served from the site's own origin.

CVSS Score

8.0

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-862

References

https://wpscan.com/vulnerability/f13143dc-5674-4e9f-8aa0-8d22df7a7379/

FAQ

What is CVE-2026-85574?

CVE-2026-85574 is a vulnerability with a CVSS score of 8.0 (HIGH). The Unbounce Landing Pages WordPress plugin before 1.1.5 does not perform any authorisation check when updating the configuration its front-end proxy relies on, allowing any authenticated user, such a...

How severe is CVE-2026-85574?

CVE-2026-85574 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-85574?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.