Multiple SQL injection vulnerabilities in MyBulletinBoard (MyBB) before 1.0 allow remote attackers to execute arbitrary SQL commands via the (1) month, (2) day, and (3) year parameters in an addevent action in calendar.php; (4) threadmode and (5) showcodebuttons in an options action in usercp.php; (6) list parameter in an editlists action to usercp.php; (7) rating parameter in a rate action in member.php; and (8) rating parameter in either showthread.php or ratethread.php.
Conclusion & alert: CVE-2005-4199 is rated Moderate Risk (58.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.71%). 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 | 2025-03-17 | 1.34% | 1.71% | +0.37% |
| 2 | 2024-12-17 | 0.98% | 1.34% | +0.36% |
| 3 | 2024-11-19 | — | 0.98% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mybb | mybb | <= 1.0 | cpe:2.3:a:mybb:mybb:*:pr2:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:beta4:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:pr1:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:rc1:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:rc2:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:rc3:*:*:*:*:*:* |
| mybb | mybb | 1.0 | cpe:2.3:a:mybb:mybb:1.0:rc4:*:*:*:*:*:* |