CVE-2023-0252 Contextual Related Posts < 3.3.1 - Contributor+ Stored XSS
Contributors can inject malicious scripts via block options in the Contextual Related Posts plugin, leading to stored XSS attacks.
- 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-2023-0252?
CVE-2023-0252 is a medium-severity cross-site scripting vulnerability in Unknown Contextual Related Posts, published on 6 Feb 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 Contextual Related Posts WordPress plugin before 3.3.1 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Which versions are affected by CVE-2023-0252?
It affects 1 product.
Products include Webberzone Contextual Related Posts.
How do I fix CVE-2023-0252?
No fix has been published for CVE-2023-0252 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-2023-0252 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0252 exists.
Sources
Also known as GHSA-4pv9-28wr-pgch.