Improper Verification of Source of a Communication Channel in AVideo - CVE-2026-43880
Published: April 28, 2026 / Updated: April 28, 2026
Vulnerability identifier: #VU128351
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43880
CWE-ID: CWE-940
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper verification of source of a communication channel within sendEmail.json.php. A remote attacker can send arbitrary email and perform phishing attack with the site's real sender identity.
Affected software
AVideo
How to mitigate CVE-2026-43880
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.