CVE-2023-6165 Restrict Usernames Emails Characters Plugin < 3.1.4 - Admin+ Stored XSS
High-privilege users can inject malicious scripts via unsanitized settings in the Restrict Usernames Emails Characters plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-6165?
CVE-2023-6165 is a medium-severity cross-site scripting vulnerability in Unknown Restrict Usernames Emails Characters, published on 29 Jan 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Restrict Usernames Emails Characters WordPress plugin before 3.1.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
Weakness: CWE-79
Which versions are affected by CVE-2023-6165?
It affects 1 product.
Products include Benaceur-Php Restrict Usernames Emails Characters.
How do I fix CVE-2023-6165?
No fix has been published for CVE-2023-6165 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-2023-6165 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6165 exists.
Sources
Also known as GHSA-7cm4-cx64-v496.