CVE-2026-94235 Simple User Registration <= 6.9 - Subscriber+ Arbitrary Email Sending via wpr_send_email_to_user
Authenticated users can send arbitrary emails via the MemberHero plugin due to missing authorization checks, enabling phishing attacks using the site's identity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94235?
CVE-2026-94235 is a medium-severity missing authorization vulnerability in Unknown MemberHero, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The MemberHero WordPress plugin through 6.9 does not perform any capability or nonce check on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to make the site send arbitrary HTML emails to arbitrary recipients from its own mail system, which can be abused to relay phishing carrying the site's identity and domain reputation.
Weakness: CWE-862
Which versions are affected by CVE-2026-94235?
How do I fix CVE-2026-94235?
No fix has been published for CVE-2026-94235 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-94235 being exploited?
There is no known exploitation of CVE-2026-94235 in the wild and no public exploit code.
Sources
Also known as GHSA-544m-gj73-rvcj.