CVE-2024-8363 Share This Image <= 2.02 - Authenticated (Contributor+) Stored Cross-Site Scripting via STI Buttons Shortcode
Authenticated attackers with contributor access can inject arbitrary scripts via the STI Buttons shortcode, leading to stored XSS execution on victim pages.
- 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-2024-8363?
CVE-2024-8363 is a medium-severity cross-site scripting vulnerability in mihail-barinov Share This Image, published on 5 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Share This Image plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's STI Buttons shortcode in all versions up to, and including, 2.02 due to insufficient input sanitization and output escaping on user supplied attributes. 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-2024-8363?
It affects 1 product.
Products include Share-This-Image Share This Image.
How do I fix CVE-2024-8363?
No fix has been published for CVE-2024-8363 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-2024-8363 being exploited?
There is no known exploitation of CVE-2024-8363 in the wild and no public exploit code.
Sources
Also known as GHSA-72g9-7qqc-m4qv.