CVE-2023-2304 Favorites <= 2.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated contributors can inject malicious scripts via the user_favorites shortcode, potentially leading to code execution or account takeover.
- 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-2023-2304?
CVE-2023-2304 is a medium-severity cross-site scripting vulnerability in kylephillips Favorites, published on 31 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Favorites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'user_favorites' shortcode in versions up to, and including, 2.3.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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-2023-2304?
It affects 1 product.
Products include Favoriteposts Favorites.
How do I fix CVE-2023-2304?
No fix has been published for CVE-2023-2304 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-2023-2304 being exploited?
There is no known exploitation of CVE-2023-2304 in the wild and no public exploit code.
Other vulnerabilities in kylephillips Favorites
Sources
Also known as GHSA-8mmh-hj6g-5v46.