CVE-2024-3773 LiveJournal Shortcode <= 1.1.1 - Contributor+ Stored XSS via Shortcode
Contributors can inject malicious scripts via shortcode attributes, leading to stored XSS attacks against other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-3773?
CVE-2024-3773 is a medium-severity cross-site scripting vulnerability in Unknown LiveJournal Shortcode, published on 2 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The LiveJournal Shortcode WordPress plugin through 1.1.1 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-2024-3773?
How do I fix CVE-2024-3773?
No fix has been published for CVE-2024-3773 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-2024-3773 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3773 exists.
Sources
Also known as GHSA-6f6w-f77m-755g.