CVE-2023-0899 Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated Stored XSS
Unauthenticated attackers can inject malicious scripts into the Shoutbox, potentially compromising admin accounts via stored XSS.
- 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-2023-0899?
CVE-2023-0899 is a medium-severity cross-site scripting vulnerability in Unknown Steveas WP Live Chat Shoutbox, published on 24 Apr 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 Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before outputting it back in the Shoutbox, leading to Stored Cross-Site Scripting which could be used against high privilege users such as admins.
Which versions are affected by CVE-2023-0899?
It affects 1 product.
Products include Wp Live Chat Shoutbox Project Wp Live Chat Shoutbox.
How do I fix CVE-2023-0899?
No fix has been published for CVE-2023-0899 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-2023-0899 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0899 exists.
Other vulnerabilities in Unknown Steveas WP Live Chat Shoutbox
Sources
Also known as GHSA-jvcm-h57m-rqjp.