#VU125513 Insufficient verification of data authenticity in AVideo - CVE-2026-39366

 

#VU125513 Insufficient verification of data authenticity in AVideo - CVE-2026-39366

Published: April 8, 2026


Vulnerability identifier: #VU125513
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-39366
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
AVideo
Software vendor:
World Wide Broadcast Network

Description

The vulnerability allows a remote user to inflate wallet balances and renew subscriptions without additional payment.

The vulnerability exists due to insufficient verification of data authenticity in the PayPal IPN v1 handler in plugin/PayPalYPT/ipn.php when processing replayed legitimate IPN notifications. A remote user can replay a previously captured valid IPN request to inflate wallet balances and renew subscriptions without additional payment.

Exploitation requires a legitimate prior PayPal subscription payment and access to the corresponding IPN POST data.


Remediation

Install security update from vendor's website.

External links