CVE-2026-4004 Task Manager <= 3.0.2 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'task_id' Parameter
Authenticated attackers can execute arbitrary shortcodes in the Task Manager WordPress plugin due to missing capability checks and insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4004?
CVE-2026-4004 is a medium-severity code injection vulnerability in eoxia Task Manager, published on 21 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Task Manager plugin for WordPress is vulnerable to arbitrary shortcode execution via the 'search' AJAX action in all versions up to, and including, 3.0.2. This is due to missing capability checks in the callback_search() function and insufficient input validation that allows shortcode syntax (square brackets) to pass through sanitize_text_field() and be concatenated into a do_shortcode() call. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes on the site by injecting shortcode syntax into parameters like 'task_id', 'point_id', 'categories_id', or 'term'.
Weakness: CWE-94
Which versions are affected by CVE-2026-4004?
How do I fix CVE-2026-4004?
No fix has been published for CVE-2026-4004 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-2026-4004 being exploited?
There is no known exploitation of CVE-2026-4004 in the wild and no public exploit code.
Sources
Also known as GHSA-2rj3-m9rf-r3xp.