Cross-site scripting (XSS) vulnerability in index.php in UBBThreads 5.x and earlier allows remote attackers to inject arbitrary web script or HTML via the debug parameter, as demonstrated by stealing MD5 hashes of passwords.
Conclusion & alert: CVE-2006-2755 is rated High Exploit Risk (67/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.57%, 92th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.48% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 1843 | exploit_db | edb | 2006-05-28 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-04-14 | 6.09% | 8.57% | +2.48% |
| 2 | 2025-03-30 | 5.85% | 6.09% | +0.24% |
| 3 | 2025-03-29 | — | 5.85% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ubbcentral | ubb.threads | 5.0 | cpe:2.3:a:ubbcentral:ubb.threads:5.0:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 5.5.1 | cpe:2.3:a:ubbcentral:ubb.threads:5.5.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.0 | cpe:2.3:a:ubbcentral:ubb.threads:6.0:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.0.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.0.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.0.2 | cpe:2.3:a:ubbcentral:ubb.threads:6.0.2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.0.3 | cpe:2.3:a:ubbcentral:ubb.threads:6.0.3:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.1.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.1.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.2 | cpe:2.3:a:ubbcentral:ubb.threads:6.2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.2.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.2.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.2.2 | cpe:2.3:a:ubbcentral:ubb.threads:6.2.2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.2.3 | cpe:2.3:a:ubbcentral:ubb.threads:6.2.3:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.3 | cpe:2.3:a:ubbcentral:ubb.threads:6.3:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.3.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.3.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.4 | cpe:2.3:a:ubbcentral:ubb.threads:6.4:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.4.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.4.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.4.2 | cpe:2.3:a:ubbcentral:ubb.threads:6.4.2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.4.3 | cpe:2.3:a:ubbcentral:ubb.threads:6.4.3:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.4.4 | cpe:2.3:a:ubbcentral:ubb.threads:6.4.4:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5 | cpe:2.3:a:ubbcentral:ubb.threads:6.5:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.5.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5.1.1 | cpe:2.3:a:ubbcentral:ubb.threads:6.5.1.1:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5.2 | cpe:2.3:a:ubbcentral:ubb.threads:6.5.2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5.2_beta2 | cpe:2.3:a:ubbcentral:ubb.threads:6.5.2_beta2:*:*:*:*:*:*:* |
| ubbcentral | ubb.threads | 6.5.3 | cpe:2.3:a:ubbcentral:ubb.threads:6.5.3:*:*:*:*:*:*:* |