CVE-2022-4459 WP Show Posts < 1.1.4 - Contributor+ Stored XSS
Contributors can inject malicious scripts via shortcode attributes, potentially compromising admin accounts in WP Show Posts.
- 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-2022-4459?
CVE-2022-4459 is a medium-severity cross-site scripting vulnerability in Unknown WP Show 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 WP Show Posts WordPress plugin before 1.1.4 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
Which versions are affected by CVE-2022-4459?
It affects 1 product.
Products include Wp Show Posts Project Wp Show Posts.
How do I fix CVE-2022-4459?
No fix has been published for CVE-2022-4459 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-2022-4459 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4459 exists.
Sources
Also known as GHSA-ghjh-hf2x-3jxm.