CVE-2025-12583: Simple Downloads List <= 1.4.3 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-08 · updated 2026-10-07
Weakness: CWE-862

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.

Affected products

neofix Simple Downloads List: through 1.4.3

References

https://plugins.trac.wordpress.org/browser/simple-downloads-list/tags/1.5.0/admin/adminpanel_v3.php?rev=3388438
https://plugins.trac.wordpress.org/changeset?old_path=/simple-downloads-list/tags/1.4.3&new_path=/simple-downloads-list/tags/1.5.0&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/cbee3d3b-383b-48f5-be63-61cd692a18a0?source=cve

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