CVE-2019-12830
UnknownEPSS 0.98%
Last modified
CVE-2019-12830 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mybb | Mybb | < 1.8.21 |
References
- https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/Release Notes, Third Party Advisory
- https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/Exploit, Vendor Advisory
- https://blog.mybb.com/2019/06/10/mybb-1-8-21-released-security-maintenance-release/Release Notes, Third Party Advisory
- https://blog.ripstech.com/2019/mybb-stored-xss-to-rce/Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12830?
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.
How severe is CVE-2019-12830?
Severity scoring for CVE-2019-12830 is pending analysis. The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12830?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-12830?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST