CVE-2019-12830
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
Product
Mybb
PublishedJun 15, 2019
First seenJun 15, 2019
How to fix
Update
- mybb mybb1.8.21 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mybb mybb | v < 1.8.21 | 1.8.21 |
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