CVE-2019-12830
8.7 · HIGHOverview
CVE-2019-12830 is a high-severity vulnerability affecting mybb mybb. It was published on June 15, 2019 and has a CVSS 3.0 base score of 8.7 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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
Check the references section for vendor advisories and patches from mybb. Update mybb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mybb | mybb | >= 0, < 1.8.21 | Affected |
Frequently Asked Questions
What is CVE-2019-12830?
CVE-2019-12830 is a high-severity vulnerability affecting mybb mybb. It was published on June 15, 2019 and has a CVSS 3.0 base score of 8.7 (HIGH).
How severe is CVE-2019-12830?
This vulnerability has a CVSS 3.0 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-12830?
Check the references section for vendor advisories and patches from mybb. Update mybb to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-12830?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-12830 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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