2 matches found
CVE-2026-45734
MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...
5.3CVSS0.00551EPSS
SaveExploits0References4
CVE-2026-45734 MyBB: Default CAPTCHA missing invalidation
MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...
5.3CVSS5.4AI score0.00551EPSS
SaveExploits0References4
20