CVE-2023-2437 UserPro <= 5.1.1 - Authentication Bypass to Administrator
Unauthenticated attackers can bypass authentication and log in as any user, including administrators, by exploiting insufficient verification in the Facebook login feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2437?
CVE-2023-2437 is a critical authentication bypass vulnerability in UserPro - Community and User Profile WordPress Plugin, published on 22 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The UserPro plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.1. This is due to insufficient verification on the user being supplied during a Facebook login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the email. An attacker can leverage CVE-2023-2448 and CVE-2023-2446 to get the user's email address to successfully exploit this vulnerability.
Which versions are affected by CVE-2023-2437?
It affects 1 product.
Products include Userproplugin Userpro.
How do I fix CVE-2023-2437?
No fix has been published for CVE-2023-2437 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-2437 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2437 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in UserPro - Community and User Profile WordPress Plugin
- CVE-2024-35700 WordPress UserPro plugin <= 5.1.8 - Unauthenticated Account Takeover vulnerability
- CVE-2023-2449 UserPro <= 5.1.1 - Insecure Password Reset Mechanism
- CVE-2017-16562 Auth bypass in n/a
- CVE-2023-2440 UserPro <= 5.1.1 - Cross-Site Request Forgery to Privilege Escalation
- CVE-2023-2497 UserPro <= 5.1.0 - Cross-Site Request Forgery to PHP Object Injection
Sources
Also known as GHSA-w6q9-w8cf-jw9p.