CVE-2024-8325 Cross-site scripting in BlockSpare — News, Magazine and Blog Addons for (Gutenberg) Block Editor
Authenticated contributors can inject arbitrary scripts via social sharing blocks, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-8325?
CVE-2024-8325 is a medium-severity cross-site scripting vulnerability in BlockSpare — News, Magazine and Blog Addons for (Gutenberg) Block Editor, published on 4 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Blockspare: Gutenberg Blocks & Patterns for Blogs, Magazines, Business Sites – Post Grids, Sliders, Carousels, Counters, Page Builder & Starter Site Imports, No Coding Needed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via several parameters in the ‘blockspare_render_social_sharing_block’ function in all versions up to, and including, 3.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2024-8325?
It affects 1 product.
Products include Blockspare Blockspare.
How do I fix CVE-2024-8325?
No fix has been published for CVE-2024-8325 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-2024-8325 being exploited?
There is no known exploitation of CVE-2024-8325 in the wild and no public exploit code.
Sources
Also known as GHSA-52p3-42f9-q8gp.