CVE-2025-8483 Discussion Board – WordPress Forum Plugin <= 2.5.5 - Authenticated (Subscriber+) Arbitrary Shortcode Execution
Authenticated attackers can execute arbitrary shortcodes due to improper validation, potentially leading to code execution.
- 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-2025-8483?
CVE-2025-8483 is a medium-severity code injection vulnerability in marketingfire Discussion Board – WordPress Forum Plugin, published on 25 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The The Discussion Board – WordPress Forum Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 2.5.5. 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 authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes.
Weakness: CWE-94
Which versions are affected by CVE-2025-8483?
How do I fix CVE-2025-8483?
No fix has been published for CVE-2025-8483 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-2025-8483 being exploited?
There is no known exploitation of CVE-2025-8483 in the wild and no public exploit code.
Sources
Also known as GHSA-55h9-mwx6-3v4g.