CVE-2025-34434 - CVE House
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Status published Critical CVE-2025-34434

AVideo < 20.1 ImageGallery Plugin Unauthenticated File Upload and Deletion

Vulnerability Description

AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or delete images associated with any image-based video.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Valentin Lobstein (Chocapikk)

References

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CVE-2025-34440
AVideo < 20.1 Open Redirect via siteRedirectUri Parameter
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CVE-2025-34439
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CVE-2025-34438
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Affected Vendor

World Wide Broadcast Network

View all reports →

Affected Software

AVideo
Vulnerable Versions:
0

Timeline

Official Publish: December 17th, 2025
Last Modified: June 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-306

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1136 Create Account
Persistence
T1098 Account Manipulation
Privilege Escalation
T1021 Remote Services
Lateral Movement