CVE-2020-9456
CWE-862Published: March 6, 2020· Updated: Jun 17, 2026
Official Description
In the RegistrationMagic plugin through 4.6.0.3 for WordPress, the user controller allows remote authenticated users (with minimal privileges) to elevate their privileges to administrator via class_rm_user_controller.php rm_user_edit.
Technical Analysis
CVE-2020-9456 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-862)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-9456 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts