Stored Cross-Site Scripting Vulnerability in FileBird for WordPress
CVE-2026-15004

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Filebird – WordPress Media Library Folders & File Manager
Vendor
CVE Published:
18 September 2026

What is CVE-2026-15004?

The FileBird plugin for WordPress is susceptible to stored cross-site scripting vulnerabilities, allowing authenticated users with Author-level access and above to successfully exploit the plugin by injecting malicious scripts through the image alt text. This weakness arises from inadequate input sanitization and output escaping in versions up to and including 6.5.6. Consequently, when users access tailored pages containing these scripts, their sessions could be hijacked, and sensitive data could be compromised.

Affected Version(s)

FileBird – WordPress Media Library Folders & File Manager 0 <= 6.5.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/filebird/tags/...
https://plugins.trac.wordpress.org/browser/filebird/tags/...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

TruongLV1 From FPT Night Wolf
.