What is CVE-2026-84483?

CVE-2026-84483 is a medium-severity vulnerability in Wwbn Avideo, classified under Use of Hard-coded Cryptographic Key. CVSS score: 5.3/10. Published 2026-09-01.

How severe is CVE-2026-84483?

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

Vulnerability in Wwbn Avideo

CVE-2026-84483

WWBN AVideo through commit 9c39d8c8 contains an incomplete authentication bypass in encryptPass.json.php that allows unauthenticated attackers to compute valid HMAC tokens using the public site URL and current time. Attackers can forge authentication tokens by computing hash_hmac with the site's base URL as the key and submit arbitrary passwords to receive encrypted hashes, enabling offline precomputation attacks against stolen password databases.

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:L/I:N/A:N.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-321 — Use of Hard-coded Cryptographic Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-84483?: CVE-2026-84483 is a medium-severity vulnerability in Wwbn Avideo, classified under Use of Hard-coded Cryptographic Key. CVSS score: 5.3/10. Published 2026-09-01.
How severe is CVE-2026-84483?: Medium severity. CVSS v3 base score is 5.3 out of 10.