CVE-2026-80072 User Registration & Membership < 5.2.8 - Unauthenticated Open Redirect via Login Redirect Parameters
Unauthenticated attackers can redirect users to arbitrary external URLs via login parameters, facilitating phishing attacks against WordPress users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-80072?
CVE-2026-80072 is a medium-severity vulnerability in Unknown User Registration & Membership, published on 13 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The User Registration & Membership WordPress plugin before 5.2.8 does not validate the destination of a post-login redirect before redirecting, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL, which can be abused for phishing.
Weakness: CWE-601
Which versions are affected by CVE-2026-80072?
How do I fix CVE-2026-80072?
No fix has been published for CVE-2026-80072 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80072 being exploited?
There is no known exploitation of CVE-2026-80072 in the wild and no public exploit code.
Sources
Also known as GHSA-w78c-fx7q-9x8m.