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Medium severity · published Sep 18, 2026
CVE-2026-15004
FileBird – WordPress Media Library Folders & File Manager <= 6.5.6 - Authenticated (Author+) Stored Cross-Site Scripting
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
The FileBird – WordPress Media Library Folders & File Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alt text in all versions up to, and including, 6.5.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FW
FileBird – WordPress Media Library Folders & File Manager · ninjateam
through 6.5.6 · source: vendor
Affected product
FW
FileBird – WordPress Media Library Folders & File Manager
ninjateam
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15004
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15004
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/filebird/tags/6.5.2/assets/js/photoswipe/fbv-photoswipe.js#L68
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/filebird/tags/6.5.2/blocks/filebird-gallery/build/render.php#L102
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/filebird/tags/6.5.2/blocks/filebird-gallery/build/render.php#L88
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset?reponame=&old=3624616%40filebird&new=3624616%40filebird
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/b9e4933a-ea03-4dcd-bbb1-b8e571191598?source=cve
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