Multiple cross-site scripting (XSS) vulnerabilities in ATutor 1.5.3 allow remote attackers to inject arbitrary web script or HTML via the (1) lang parameter in (a) index_list.php and (2) year, (3) month, and (4) day parameter in (b) registration.php.
Conclusion & alert: CVE-2006-3821 is rated Exploit Available (56.4/100): CVSS Medium 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 |
|---|---|---|---|---|
| — | 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 | 2026-06-15 | 0.62% | 1.32% | +0.70% |
| 2 | 2025-08-18 | 0.51% | 0.62% | +0.11% |
| 3 | 2025-03-30 | — | 0.51% | — |
Full EPSS history (12 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] |
: This vulnerability is addressed in the following product release: ATutor, ATutor, 1.5.3_pl1
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adaptive_technology_resource_centre | atutor | 1.4.1 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.4.1:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.4.2 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.4.2:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.4.3 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.4.3:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.5.1 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.5.1:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.5.1_pl1 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.5.1_pl1:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.5.1_pl2 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.5.1_pl2:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.5.3 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.5.3:*:*:*:*:*:*:* |
| adaptive_technology_resource_centre | atutor | 1.5_rc_1 | cpe:2.3:a:adaptive_technology_resource_centre:atutor:1.5_rc_1:*:*:*:*:*:*:* |