CVE-2024-4035 Photo Gallery - GT3 Image Gallery & Gutenberg Block Gallery <= 2.7.7.21 - Authenticated (Author+) Cross-Site Scripting
Authenticated attackers can inject arbitrary scripts via image alt text, leading to script execution when users view the page.
- 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-2024-4035?
CVE-2024-4035 is a medium-severity cross-site scripting vulnerability in gt3themes Photo Gallery – GT3 Image Gallery & Gutenberg Block Gallery, published on 25 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Photo Gallery – GT3 Image Gallery & Gutenberg Block Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alt text in all versions up to, and including, 2.7.7.21 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-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-2024-4035?
How do I fix CVE-2024-4035?
No fix has been published for CVE-2024-4035 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-2024-4035 being exploited?
There is no known exploitation of CVE-2024-4035 in the wild and no public exploit code.
Sources
Also known as GHSA-mjw4-hgvc-5936.