inc/init.php in Archive Mode (Light) in MyBB (aka MyBulletinBoard) 1.1.4 calls the extract function with EXTR_OVERWRITE on HTTP POST and GET variables, which allows remote attackers to overwrite arbitrary variables, as demonstrated via an SQL injection using the _SERVER[HTTP_CLIENT_IP] parameter in archive/index.php.
CVSS Details
- CVSS 3.1 Base Score: 7.3
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub