CVE-2023-4153 BAN Users <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Settings Update & Privilege Escalation
Authenticated subscribers can modify plugin settings to escalate privileges and manage user bans due to missing capability checks.
- 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-2023-4153?
CVE-2023-4153 is a high-severity missing authorization vulnerability in webxmedia BAN Users, published on 13 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The BAN Users plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.5.3 due to a missing capability check on the 'w3dev_save_ban_user_settings_callback' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify the plugin settings to access the ban and unban functionality and set the role of the unbanned user.
Weakness: CWE-266
Which versions are affected by CVE-2023-4153?
It affects 1 product.
Products include Webmedia Ban Users.
How do I fix CVE-2023-4153?
No fix has been published for CVE-2023-4153 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-2023-4153 being exploited?
There is no known exploitation of CVE-2023-4153 in the wild and no public exploit code.
Sources
Also known as GHSA-mv5m-mjc6-j826.