Responsive Thumbnail Slider: Dangerous file upload
Responsive Thumbnail Slider is affected by dangerous file upload. Exploitation requires at least subscriber-level access. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.
- Component
- Responsive Thumbnail Slider
- Plugin slug
thumbnail-carousel-slider- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jul 25, 2025
This CVE was published Jul 25, 2025 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Responsive Thumbnail Slider to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Responsive Thumbnail Slider plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type sanitization in the via the image uploader in versions up to 1.0.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload arbitrary files on the affected sites server using a double extension which may make remote code execution possible.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H