CVE-2018-19202

A reflected XSS vulnerability in index.php in MyBB 1.8.x through 1.8.19 allows remote attackers to inject JavaScript via the 'upsetting[bburl]' parameter.

• CWE-79

• https://blog.mybb.com/Release Notes, Vendor Advisory
• https://mybb.com/versions/1.8.20/Vendor Advisory
• https://blog.mybb.com/Release Notes, Vendor Advisory
• https://mybb.com/versions/1.8.20/Vendor Advisory

Published

Apr 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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