CVE Catalog

CVE-2026-10522

Low risk· EPSS 4%
Published: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.15%

4th percentile - higher than 4% of all known CVEs

Summary

The MemberHero WordPress plugin through version 6.9 does not restrict which account fields can be supplied during its frontend registration process. This allows unauthenticated attackers to register a new user with an arbitrary role, including Administrator, leading to a full site takeover. Version 6.9 is advertised as resolving this issue, but the fix is incomplete and the current version remains exploitable.

Risk Assessment

Full site takeover by an attacker can lead to data loss, integrity compromise, and use of the site for further attacks.

Recommendation

Deactivate and remove the MemberHero plugin until a fully fixed version is released. If it must stay active, disable public registration, restrict access to the registration functionality, and monitor the site for unexpected administrator accounts.

Related vulnerabilities

Original NVD description (English source)

The MemberHero WordPress plugin through 6.9 does not restrict which account fields can be supplied during its frontend registration process, allowing unauthenticated attackers to register a new user with an arbitrary role, including Administrator, leading to a full site takeover. Version 6.9 is advertised as resolving this issue, but the fix is incomplete and the current version remains exploitable by unauthenticated attackers to obtain administrator access and to take over existing accounts. No version that fully addresses the issue is available at the time of this advisory. Mitigation: deactivate and remove the MemberHero WordPress plugin through 6.9 until a version that fully resolves this issue is released. If the MemberHero WordPress plugin through 6.9 must stay active, disable public registration, restrict access to the registration functionality, and monitor the site for unexpected administrator accounts.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS