Cross-Site Scripting (XSS) vulnerability in SourceCodester "MatchMaster" 1.0 allows remote attackers to inject arbitrary web script or HTML via crafted input in the custom test creation feature. The vulnerability exists because the application fails to properly sanitize user-supplied input in test titles and matching pair items before rendering them in the DOM during test execution.
Conclusion & alert: CVE-2025-63713 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). 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 | 2026-04-17 | 0.05% | 0.06% | +0.01% |
| 2 | 2026-04-05 | 0.10% | 0.05% | -0.05% |
| 3 | 2025-11-08 | — | 0.10% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| remyandrade | matching_type_test | 1.0 | cpe:2.3:a:remyandrade:matching_type_test:1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/floccocam-cpu/CVE-Research-2025/blob/main/CVE-2025-63713/README7.md | Exploit Mitigation Third Party Advisory |
| https://www.sourcecodester.com/javascript/18431/matching-type-test-using-html-css-and-javascript-source-code.html | Product |