Sourcecodester Covid-19 Directory on Vaccination System1.0 is vulnerable to SQL Injection via the admin/login.php txtusername (aka Username) field.
Conclusion & alert: CVE-2022-28531 is rated High Exploit Risk (72.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.34%). 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 | 2026-03-02 | 1.91% | 0.34% | -1.57% |
| 2 | 2025-12-09 | 2.20% | 1.91% | -0.28% |
| 3 | 2025-11-21 | — | 2.20% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| covid-19_directory_on_vaccination_system_project | covid-19_directory_on_vaccination_system | 1.0 | cpe:2.3:a:covid-19_directory_on_vaccination_system_project:covid-19_directory_on_vaccination_system:1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://packetstormsecurity.com/files/166481/Covid-19-Directory-On-Vaccination-System-1.0-SQL-Injection.html | Exploit Third Party Advisory VDB Entry |
| https://www.sourcecodester.com/php/15244/design-and-implementation-covid-19-directory-vacination.html | Product |