WWBN
6.5 through 29.7.1 Authentication Bypass via Hybridauth Social Login
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-126542Critical9.8
Black Shard's team can check your exposure to CVE-2026-126542 and take the fix off your plate.
WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user via Hybridauth social login display names. Attackers can set their X, Facebook, Yahoo or LinkedIn display name to a victim's username and withhold email, causing login.json.php or oauth2.php to log them in as that account, including administrators, without a password.
Black Shard's team can check your exposure, take a fix off your plate or step in on a live incident.
Chance of exploitation in the next 30 days
0.75%
EPSS score from FIRST
Updated 13 Nov 2026, 12:02 UTC, 30 of 36 sources answering.
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