CVE-2019-12363

An CSRF issue was discovered in the JN-Jones MyBB-2FA plugin through 2014-11-05 for MyBB. An attacker can forge a request to an installed mybb2fa plugin to control its state via usercp.php?action=mybb2fa&do=deactivate (or usercp.php?action=mybb2fa&do=activate). A deactivate operation lowers the security of the targeted account by disabling two factor authentication.

• CWE-352

• https://community.mybb.com/thread-162369.htmlIssue Tracking, Third Party Advisory
• https://seekurity.com/blog/advisories/mybb-two-factor-authentication-extension-vulnerabilities/Exploit, Third Party Advisory
• https://community.mybb.com/thread-162369.htmlIssue Tracking, Third Party Advisory
• https://seekurity.com/blog/advisories/mybb-two-factor-authentication-extension-vulnerabilities/Exploit, Third Party Advisory

Published

Jul 11, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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