CVE-2023-4799 Magic Embeds < 3.1.2 - Contributor+ Stored XSS via shortcode
Contributors can inject malicious scripts via shortcode attributes in Magic Embeds, leading to stored XSS attacks on WordPress sites.
- 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-2023-4799?
CVE-2023-4799 is a medium-severity cross-site scripting vulnerability in Unknown Magic Embeds, published on 20 Nov 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 Magic Embeds WordPress plugin before 3.1.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode 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-2023-4799?
It affects 1 product.
Products include Wpembedfb Magic Embeds.
How do I fix CVE-2023-4799?
No fix has been published for CVE-2023-4799 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-2023-4799 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4799 exists.
Sources
Also known as GHSA-w6qw-76pv-8c27.