Arbitrary File Upload Vulnerability in All-in-One Video Gallery Plugin for WordPress
CVE-2025-12957

8.8HIGH

Key Information:

Vendor

WordPress
Status
All-in-one Video Gallery
Vendor
CVE Published:
16 January 2026

What is CVE-2025-12957?

The All-in-One Video Gallery plugin for WordPress is exposed to an arbitrary file upload vulnerability due to inadequate file type validation in all its versions up to and including 4.5.7. This flaw allows authenticated users with author-level access or higher to upload arbitrary files to the server by exploiting a weakness in how VTT files are processed. Malicious actors can use double extension files to bypass security measures, potentially leading to remote code execution on affected sites.

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Deploy the Patch

Affected Version(s)

All-in-One Video Gallery * <= 4.5.7

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3405593/all-...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Mazzolini
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