What is CVE-2026-33731?

CVE-2026-33731 is a medium-severity vulnerability in Wwbn Avideo, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-07-16.

How severe is CVE-2026-33731?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-33731

WWBN AVideo is an open source video platform. In versions prior to 29.0, the Authorize.Net webhook handler at plugin/AuthorizeNet/webhook.php contains a signature verification bypass that allows an attacker to forge webhook requests with a…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Wwbn Avideo — versions < 29.0

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33731?: CVE-2026-33731 is a medium-severity vulnerability in Wwbn Avideo, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-07-16.
How severe is CVE-2026-33731?: Medium severity. CVSS v3 base score is 6.5 out of 10.