Vulnerability · Published Jun 23, 2026 · Assigned by WPScan
CVE-2026-8378Frontend File Manager Plugin <= 23.6 - Subscriber+ Stored Cross-Site Scripting via File Rename
Medium 5.4
In plain English
A medium-severity security flaw in Frontend File Manager Plugin from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Frontend File Manager Plugin WordPress plugin through 23.6 does not sanitise nor escape a filename submitted to the frontend file-rename endpoint before storing it as post meta and rendering it back on the admin File Manager listing, leading to a Stored Cross-Site Scripting vulnerability exploitable by users with Subscriber-level access and above against an administrator viewing the file management interface.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Frontend File Manager Plugin | 0 – through 23.6 |
References
- https://wpscan.com/vulnerability/19f5dd94-b16c-4ad2-9586-d15ddecf9805/ exploit, vdb-entry, technical-description