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

Drupal Core 8.x.x Cross-Site Scripting (8.0.0 - 8.6.18)

MySQL CVE-2020-14791 Vulnerability (CVE-2020-14791)

WordPress Plugin MW WP Form Security Bypass (4.4.5)

WordPress Plugin WP Maps-Display Google Maps Perfectly with Ease Cross-Site Scripting (4.0.4)

WordPress Denial of Service Vulnerability (3.5 - 3.6.1)

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