CVE-2023-5338 Theme Blvd Shortcodes <= 1.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated attackers can inject arbitrary web scripts via shortcodes, leading to script execution when users view affected 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-2023-5338?
CVE-2023-5338 is a medium-severity cross-site scripting vulnerability in themeblvd Theme Blvd Shortcodes, published on 22 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Theme Blvd Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 1.6.8 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-2023-5338?
It affects 1 product.
Products include Themeblvd Theme Blvd Shortcodes.
How do I fix CVE-2023-5338?
No fix has been published for CVE-2023-5338 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-2023-5338 being exploited?
There is no known exploitation of CVE-2023-5338 in the wild and no public exploit code.
Sources
Also known as GHSA-mcxj-c7q8-wm2q.