CVE-2026-85574

Unbounce Landing Pages 1.1.1 - 1.1.4 - Subscriber+ Reverse-Proxy Target Hijack via set_unbounce_domains

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.

Affected

Unbounce Landing Pages

CVSS v3.1 CNA

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

EPSS

0.34% chance of exploitation in the next 30 days, 26th percentile

Published

2026-09-19

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry