CVE-2023-0097 Post Grid, Post Carousel, & List Category Posts < 2.4.19 - Contributor+ Stored XSS
Contributors can inject malicious scripts via block options, leading to stored XSS attacks on WordPress sites using this 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-2023-0097?
CVE-2023-0097 is a medium-severity cross-site scripting vulnerability in Unknown Post Grid, Post Carousel, & List Category Posts, published on 30 Jan 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 Post Grid, Post Carousel, & List Category Posts WordPress plugin before 2.4.19 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.
Weakness: CWE-79
Which versions are affected by CVE-2023-0097?
It affects 1 product.
Products include Shapedplugin Smart Post Show.
How do I fix CVE-2023-0097?
No fix has been published for CVE-2023-0097 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-2023-0097 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0097 exists.
Other vulnerabilities in Unknown Post Grid, Post Carousel, & List Category Posts
Sources
Also known as GHSA-8hw8-3xpp-fr77.