CVE-2023-4798 User Avatar - Reloaded < 1.2.2 - Contributor+ Stored XSS
Low-privileged users can inject malicious scripts via shortcode attributes, leading to stored XSS attacks in the User Avatar plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4798?
CVE-2023-4798 is a medium-severity cross-site scripting vulnerability in Unknown User Avatar, published on 16 Oct 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The User Avatar WordPress plugin before 1.2.2 does not properly sanitize and escape certain of its shortcodes attributes, which could allow relatively low-privileged users like contributors to conduct Stored XSS attacks.
Which versions are affected by CVE-2023-4798?
It affects 1 product.
Products include Wpexperts User Avatar-Reloaded.
How do I fix CVE-2023-4798?
No fix has been published for CVE-2023-4798 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-2023-4798 being exploited?
There is no known exploitation of CVE-2023-4798 in the wild and no public exploit code.
Sources
Also known as GHSA-cv5w-p79v-vvxq.