CVE-2024-8760 Stackable – Page Builder Gutenberg Blocks <= 3.13.6 - Unauthenticated CSS Injection
Unauthenticated attackers can inject CSS into comments to exfiltrate admin nonces, enabling limited CSRF attacks against the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-8760?
CVE-2024-8760 is a medium-severity cross-site scripting vulnerability in bfintal Stackable – Page Builder Gutenberg Blocks, published on 12 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Stackable – Page Builder Gutenberg Blocks plugin for WordPress is vulnerable to CSS Injection in all versions up to, and including, 3.13.6. This makes it possible for unauthenticated attackers to embed untrusted style information into comments resulting in a possibility of data exfiltration such as admin nonces with limited impact. These nonces could be used to perform CSRF attacks within a limited time window. The presence of other plugins may make additional nonces available, which may pose a risk in plugins that don't perform capability checks to protect AJAX actions or other actions reachable by lower-privileged users.
Weakness: CWE-94
Which versions are affected by CVE-2024-8760?
How do I fix CVE-2024-8760?
No fix has been published for CVE-2024-8760 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-2024-8760 being exploited?
There is no known exploitation of CVE-2024-8760 in the wild and no public exploit code.
Sources
Also known as GHSA-v7vw-qwr3-vgr4.