CVE-2023-0043 Custom Add User <= 2.0.2 - Reflected Cross-Site Scripting
Attackers can execute arbitrary scripts in admin sessions via reflected XSS in the Custom Add User plugin, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-0043?
CVE-2023-0043 is a medium-severity cross-site scripting vulnerability in Unknown Custom Add User, published on 27 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Custom Add User WordPress plugin through 2.0.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
Weakness: CWE-79
Which versions are affected by CVE-2023-0043?
It affects 1 product.
Products include Add User Project Add User.
How do I fix CVE-2023-0043?
No fix has been published for CVE-2023-0043 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-0043 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0043 exists.
Sources
Also known as GHSA-w8v3-j4vv-3q42.