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187 matches found

NVD
NVD
added 2026/08/18 4:17 p.m.4 views

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...

5.3CVSS0.00404EPSS
SaveExploits0References4
EUVD
EUVD
added 2026/08/18 3:51 p.m.6 views

EUVD-2026-61014

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 score0.00404EPSS
SaveExploits0References4
ATTACKERKB
ATTACKERKB
added 2026/08/18 3:51 p.m.9 views

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...

5.3CVSS5.4AI score0.00404EPSS
SaveExploits0References5Affected Software1
OSV
OSV
added 2026/08/18 3:51 p.m.9 views

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...

5.3CVSS5.5AI score
SaveExploits0References6
Cvelist
Cvelist
added 2026/08/18 3:51 p.m.17 views

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...

5.3CVSS0.00404EPSS
SaveExploits0References4
CVE
CVE
added 2026/08/18 3:51 p.m.11 views

CVE-2026-45734

MyBB versions before 1.8.40 fail to call captcha::invalidate_captcha() in five endpoints (contact.php, member.php actions, sendthread.php), allowing a valid CAPTCHA response to be replayed for low-integrity abuse (spam, password reset floods). CVSS 5.3 MEDIUM. Fixed in 1.8.40; no in-the-wild expl...

5.3CVSS5.4AI score0.00404EPSS
SaveExploits0References4
CVE
CVE
added 2026/08/18 3:50 p.m.10 views

CVE-2026-45125

MyBB prior to 1.8.40 is vulnerable to mail header injection via the Email User controller. The fromname HTTP parameter (or stored username) is used unsanitized in Return-Path and Reply-To headers when mail_handler is PHP mail, enabling arbitrary header injection via CRLF sequences. CVSS 5.3 (Medi...

5.3CVSS5.5AI score0.00302EPSS
SaveExploits0References4
ATTACKERKB
ATTACKERKB
added 2026/08/18 3:50 p.m.9 views

CVE-2026-45125

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=doemailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when th...

5.3CVSS5.5AI score0.00302EPSS
SaveExploits0References5Affected Software1
EUVD
EUVD
added 2026/08/18 3:50 p.m.10 views

EUVD-2026-61011

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=doemailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when th...

5.3CVSS5.5AI score0.00302EPSS
SaveExploits0References4
Cvelist
Cvelist
added 2026/08/18 3:46 p.m.22 views

CVE-2026-45116 MyBB: Profile field type confusion XSS

MyBB is free and open source forum software. Prior to 1.8.40, the user datahandler does not properly validate checkbox and multiselect profile field types, resulting in stored JavaScript code injection. UserDataHandler::verifyprofilefields only performs the specialized validation when...

8.7CVSS0.00302EPSS
SaveExploits0References4
Positive Technologies
Positive Technologies
added 2026/08/18 12:00 a.m.10 views

PT-2026-77179

MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize sender names correctly, resulting in mail header injection. member.php?action=do emailuser accepts the fromname HTTP parameter for guests or the stored username for authenticated users when t...

5.3CVSS5.5AI score0.00302EPSS
SaveExploits0References5
Github Security Blog
Github Security Blog
added 2026/02/22 12:31 a.m.13 views

funadmin has Weak Password Recovery Mechanism for Forgotten Password

A security flaw has been discovered in funadmin up to 7.1.0-rc4. Affected by this issue is the function repass of the file app/frontend/controller/Member.php. Performing a manipulation of the argument forgetcode/vercode results in weak password recovery. Remote exploitation of the attack is...

8.1CVSS4.6AI score0.00392EPSS
SaveExploits1References6Affected Software1
EUVD
EUVD
added 2025/10/07 12:30 a.m.9 views

EUVD-2007-3435

Malware in sbrugna...

6.8CVSS6.4AI score0.0083EPSS
SaveExploits1References3
EUVD
EUVD
added 2025/10/07 12:30 a.m.7 views

EUVD-2005-4023

Malware in sbrugna...

4.3CVSS6.4AI score0.01242EPSS
SaveExploits1References4
EUVD
EUVD
added 2025/10/07 12:30 a.m.8 views

EUVD-2003-0370

Malware in sbrugna...

4.3CVSS6.4AI score0.04542EPSS
SaveExploits2References5
EUVD
EUVD
added 2025/10/07 12:30 a.m.11 views

EUVD-2012-6510

Malware in sbrugna...

6.1CVSS6.3AI score0.00856EPSS
SaveExploits1References3
EUVD
EUVD
added 2025/10/07 12:30 a.m.10 views

EUVD-2005-4194

Malware in sbrugna...

7.5CVSS6.4AI score0.02063EPSS
SaveExploits0References16
EUVD
EUVD
added 2025/10/07 12:30 a.m.14 views

EUVD-2015-2425

Malware in sbrugna...

4.3CVSS6.4AI score0.01148EPSS
SaveExploits0References4
EUVD
EUVD
added 2025/10/07 12:30 a.m.9 views

EUVD-2018-8908

Malware in sbrugna...

5.4CVSS5.5AI score0.00835EPSS
SaveExploits1References2
EUVD
EUVD
added 2025/10/07 12:30 a.m.8 views

EUVD-2005-1616

Malware in sbrugna...

6.8CVSS6.4AI score0.03653EPSS
SaveExploits2References3
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