SQL injection vulnerability in the create_session function in class_session.php in MyBB (aka MyBulletinBoard) 1.2.3 and earlier allows remote attackers to execute arbitrary SQL commands via the Client-IP HTTP header, as utilized by index.php, a related issue to CVE-2006-3775.
Conclusion & alert: CVE-2007-1963 is rated High Exploit Risk (66.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.32%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 3653 | exploit_db | edb | 2007-04-03 | Exploit-DB ↗ |
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 | 2.97% | 1.32% | -1.65% |
| 2 | 2026-05-05 | 1.51% | 2.97% | +1.46% |
| 3 | 2025-11-28 | — | 1.51% | — |
Full EPSS history (20 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 | <= 1.2.3 | cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:* |
| mybulletinboard | mybulletinboard | <= 1.2.3 | cpe:2.3:a:mybulletinboard:mybulletinboard:*:*:*:*:*:*:*:* |