Permissions, Privileges, and Access Controls in WP User Avatar - CVE-2021-34621

Vulnerability details

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions during user registration, which leads to security restrictions bypass and privilege escalation.

Affected software

How to mitigate CVE-2021-34621

Links to Public Exploits and PoC-codes

• Exploit #9246 - CVE-2021-34621-EXPLOIT (A PoC exploit for CVE-2021-34621 - WordPress Privilege Escalation) (August 14, 2023)
• Exploit #7062 - WordPress Plugin ProfilePress 3.1.3 - Privilege Escalation (Unauthenticated) (November 25, 2021)

External References

• https://www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/

Related Security Bulletins

• Multiple vulnerabilities in WP User Avatar plugin for WordPress