CVE-2026-8378
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductFrontend File Manager Plugin
PublishedJun 23, 2026
First seenJun 23, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Frontend File Manager Plugin | v ≤ 23.6 | — |
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