What is CVE-2026-43880?

CVE-2026-43880 is a medium-severity vulnerability in Wwbn Avideo, classified under Improper Verification of Source of a Communication Channel. CVSS score: 5.3/10. Published 2026-05-11.

How severe is CVE-2026-43880?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-43880

WWBN AVideo is an open source video platform. In versions up to and including 29.0, objects/sendEmail.json.php exposes two branches depending on whether contactForm=1 is submitted. When the parameter is omitted, the endpoint sets $sendTo t…

EPSS: 0.001 (21.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Wwbn Avideo — versions <= 29.0

Weakness classification (CWE)

CWE-940 — Improper Verification of Source of a Communication Channel

References

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

Frequently asked questions

What is CVE-2026-43880?: CVE-2026-43880 is a medium-severity vulnerability in Wwbn Avideo, classified under Improper Verification of Source of a Communication Channel. CVSS score: 5.3/10. Published 2026-05-11.
How severe is CVE-2026-43880?: Medium severity. CVSS v3 base score is 5.3 out of 10.