CVE-2025-12583 Simple Downloads List <= 1.4.3 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting
Authenticated subscribers can modify plugin settings and inject malicious scripts due to missing capability checks in the Simple Downloads List WordPress plugin.
- 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-2025-12583?
CVE-2025-12583 is a medium-severity missing authorization vulnerability in neofix Simple Downloads List, published on 8 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Simple Downloads List plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_neofix_sdl_edit' AJAX endpoint along with many others in all versions up to, and including, 1.4.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to alter many of the plugin's settings/downloads and inject malicious web scripts.
Weakness: CWE-862
Which versions are affected by CVE-2025-12583?
How do I fix CVE-2025-12583?
No fix has been published for CVE-2025-12583 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-12583 being exploited?
There is no known exploitation of CVE-2025-12583 in the wild and no public exploit code.
Sources
Also known as GHSA-c563-3pgf-9rc7.