CVSS 3.0
8.7 highCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NCVE-2019-12830
High (8.7) in mybb mybb. EPSS 1.0% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mybb:mybb