Alert: Unauthenticated Arbitrary File Upload leading to RCE.
ZAST engine has identified a critical-severity vulnerability, CVE-2026-1405 (CVSS 9.8), in the Slider Future WordPress plugin. This flaw allows for Unrestricted Arbitrary File Upload, leading to full Remote Code Execution (RCE).
Key Technical Findings:
- Vulnerability: Unauthenticated Arbitrary File Upload to RCE
- Project Popularity: 1,000+ active installations.
- Verification: 100% verified via Autonomous PoC generation.
The vulnerability stems from a lack of authentication on the /wp-json/slider-future/v1/upload-image/ endpoint and a total absence of file type or content validation before writing to disk.
We have verified that an attacker can upload a malicious PHP script and gain control of the host server in seconds.
Check detail here:https://www.cve.org/CVERecord?id=CVE-2026-1405



