CVE-2019-12830
Published Jun 15, 2019
Last updated 5 years ago
Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.7
- Impact score
- 5.8
- Exploitability score
- 2.3
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 3.5
- Impact score
- 2.9
- Exploitability score
- 6.8
- Vector string
- AV:N/AC:M/Au:S/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-79
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "438D60BF-E8A0-41F9-AE8E-B17569ECD586",
"versionEndExcluding": "1.8.21"
}
],
"operator": "OR"
}
]
}
]