Auth bypass in Unbounce Landing Pages
CVE-2026-85574
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.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Unknown Unbounce Landing Pages
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-85574?
- CVE-2026-85574 is a high-severity vulnerability in Unbounce Landing Pages, classified under Missing Authorization. CVSS score: 8.0/10. Published 2026-09-19.
- How severe is CVE-2026-85574?
- High severity. CVSS v3 base score is 8.0 out of 10.