What’s Vulnerable › Vulnerabilities
CVE-2026-85574: Unbounce Landing Pages 1.1.1 - 1.1.4 - Subscriber+ Reverse-Proxy Target Hijack via set_unbounce_domains
- Severity: high (CVSS 8.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-19 · updated 2026-09-21
- Weakness: CWE-862
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.
Affected products
- Unbounce Landing Pages: from 1.1.1 before 1.1.5 — fixed in 1.1.5
How to fix
Upgrade to a fixed version: Unbounce Landing Pages 1.1.5. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-85574 or the next vulnerability affects your stack