Cross-site request forgery (CSRF) vulnerability in usercp2.php in MyBB (aka MyBulletinBoard) before 1.4.12 allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.
Conclusion & alert: CVE-2010-4627 is rated Moderate Risk (48.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.01%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.39% | 1.01% | +0.63% |
| 2 | 2025-03-17 | 0.30% | 0.39% | +0.08% |
| 3 | 2023-03-07 | — | 0.30% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mybb | mybb | <= 1.4.11 | cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* |
| mybb | mybb | 1.00 | cpe:2.3:a:mybb:mybb:1.00:*:*:*:*:*:*:* |
| mybb | mybb | 1.01 | cpe:2.3:a:mybb:mybb:1.01:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.0 | cpe:2.3:a:mybb:mybb:1.1.0:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.1 | cpe:2.3:a:mybb:mybb:1.1.1:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.2 | cpe:2.3:a:mybb:mybb:1.1.2:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.3 | cpe:2.3:a:mybb:mybb:1.1.3:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.4 | cpe:2.3:a:mybb:mybb:1.1.4:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.5 | cpe:2.3:a:mybb:mybb:1.1.5:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.6 | cpe:2.3:a:mybb:mybb:1.1.6:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.7 | cpe:2.3:a:mybb:mybb:1.1.7:*:*:*:*:*:*:* |
| mybb | mybb | 1.1.8 | cpe:2.3:a:mybb:mybb:1.1.8:*:*:*:*:*:*:* |
| mybb | mybb | 1.02 | cpe:2.3:a:mybb:mybb:1.02:*:*:*:*:*:*:* |
| mybb | mybb | 1.2 | cpe:2.3:a:mybb:mybb:1.2:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.0 | cpe:2.3:a:mybb:mybb:1.2.0:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.1 | cpe:2.3:a:mybb:mybb:1.2.1:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.2 | cpe:2.3:a:mybb:mybb:1.2.2:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.3 | cpe:2.3:a:mybb:mybb:1.2.3:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.4 | cpe:2.3:a:mybb:mybb:1.2.4:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.5 | cpe:2.3:a:mybb:mybb:1.2.5:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.6 | cpe:2.3:a:mybb:mybb:1.2.6:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.7 | cpe:2.3:a:mybb:mybb:1.2.7:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.8 | cpe:2.3:a:mybb:mybb:1.2.8:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.9 | cpe:2.3:a:mybb:mybb:1.2.9:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.10 | cpe:2.3:a:mybb:mybb:1.2.10:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.11 | cpe:2.3:a:mybb:mybb:1.2.11:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.12 | cpe:2.3:a:mybb:mybb:1.2.12:*:*:*:*:*:*:* |
| mybb | mybb | 1.2.13 | cpe:2.3:a:mybb:mybb:1.2.13:*:*:*:*:*:*:* |
| mybb | mybb | 1.03 | cpe:2.3:a:mybb:mybb:1.03:*:*:*:*:*:*:* |
| mybb | mybb | 1.04 | cpe:2.3:a:mybb:mybb:1.04:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.0 | cpe:2.3:a:mybb:mybb:1.4.0:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.2 | cpe:2.3:a:mybb:mybb:1.4.2:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.3 | cpe:2.3:a:mybb:mybb:1.4.3:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.6 | cpe:2.3:a:mybb:mybb:1.4.6:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.8 | cpe:2.3:a:mybb:mybb:1.4.8:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.9 | cpe:2.3:a:mybb:mybb:1.4.9:*:*:*:*:*:*:* |
| mybb | mybb | 1.4.10 | cpe:2.3:a:mybb:mybb:1.4.10:*:*:*:*:*:*:* |