CVE-2025-14539 Shortcode Loader <= 1.0 - Unauthenticated Arbitrary Shortcode Execution via 'code' Parameter
Unauthenticated attackers can execute arbitrary shortcodes in the Shortcode Ajax WordPress plugin due to improper validation of the code parameter.
- 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-2025-14539?
CVE-2025-14539 is a medium-severity code injection vulnerability in rang501 Shortcode Ajax, published on 13 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The The Shortcode Ajax plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.0. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
Weakness: CWE-94
Which versions are affected by CVE-2025-14539?
How do I fix CVE-2025-14539?
No fix has been published for CVE-2025-14539 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-14539 being exploited?
There is no known exploitation of CVE-2025-14539 in the wild and no public exploit code.
Sources
Also known as GHSA-h9xh-g5pc-79x3.