Description
Cross-site scripting (XSS) vulnerability in the error handler in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 might allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Remediation
References
Related Vulnerabilities
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Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4593)
WordPress Plugin N-Media Website Contact Form with File Upload Arbitrary File Upload (2.1)
Vanilla Forums Authorization Bypass Through User-Controlled Key Vulnerability (CVE-2018-15833)