CVE-2026-80071 User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
Authenticated Author-level users can escalate privileges to Administrator by improperly assigning arbitrary roles via membership plans.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80071?
CVE-2026-80071 is a high-severity vulnerability in Unknown User Registration & Membership, published on 13 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.
Weakness: CWE-269
Which versions are affected by CVE-2026-80071?
How do I fix CVE-2026-80071?
No fix has been published for CVE-2026-80071 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80071 being exploited?
There is no known exploitation of CVE-2026-80071 in the wild and no public exploit code.
Sources
Also known as GHSA-7cc7-ppv7-mjwp.