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CVE-2019-12830

nvd nist
Published: Jun 15, 2019Modified: Jun 17, 2026

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8.7
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Exploitability: 2.3 / Impact: 5.8
Source: NVD

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.

Affected (1)

Products: Mybb: Mybb
Mybb
1 product
Mybb
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Mybb
Before 1.8.21

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

Source: cve@mitre.org
Release NotesThird Party Advisory
Source: cve@mitre.org
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory

Timeline

No history available yet.