Description

In MyBB before 1.8.21, an attacker can exploit a parsing flaw in the Private Message / Post renderer that leads to [video] BBCode persistent XSS to take over any forum account, aka a nested video MyCode issue.

Remediation

References

CVE-2019-12830

Related Vulnerabilities

PHP Other Vulnerability (CVE-2007-1885)

WordPress Plugin WP Google Review Slider Cross-Site Scripting (11.5)

WordPress Plugin Site Offline Or Coming Soon Or Maintenance Mode Security Bypass (1.5.2)

PHP Out-of-bounds Read Vulnerability (CVE-2017-11147)

WordPress Plugin WP Maintenance Mode & Site Under Construction Cross-Site Request Forgery (1.8.2)

Severity

High

Classification

CVE-2019-12830 CWE-707 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Tags

Missing Update Known Vulnerabilities