CVE-2024-2509 Gutenberg Blocks by Kadence Blocks < 3.2.26 - Contributor+ Stored XSS
Contributors can inject malicious scripts via unescaped block options, leading to stored XSS attacks on WordPress sites using Kadence Blocks.
- 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-2024-2509?
CVE-2024-2509 is a medium-severity cross-site scripting vulnerability in Unknown Gutenberg Blocks by Kadence Blocks, published on 5 Apr 2024. 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 Gutenberg Blocks by Kadence Blocks WordPress plugin before 3.2.26 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-2024-2509?
It affects 1 product.
Products include Kadencewp Gutenberg Blocks With Ai.
How do I fix CVE-2024-2509?
No fix has been published for CVE-2024-2509 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-2024-2509 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2509 exists.
Other vulnerabilities in Unknown Gutenberg Blocks by Kadence Blocks
- CVE-2023-6964 Server-side request forgery in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
- CVE-2024-23500 WordPress Kadence Blocks plugin <= 3.2.19 - Server Side Request Forgery (SSRF) vulnerability
- CVE-2025-5678 Cross-site scripting in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
- CVE-2024-12304 Cross-site scripting in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
- CVE-2024-10785 Cross-site scripting in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
Sources
Also known as GHSA-w5wq-cvfc-3r8g.