Information Disclosure in web-accessible backup file in SourceCodester Simple Online Book Store System allows a remote unauthenticated attacker to disclose full database contents (including schema and credential hashes) via an unauthenticated HTTP GET request to /obs/database/obs_db.sql.
Conclusion & alert: CVE-2025-63891 is rated Exploit Available (50.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). 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 | 2025-12-16 | 0.03% | 0.05% | +0.02% |
| 2 | 2025-11-15 | — | 0.03% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oretnom23 | simple_online_book_store_system | 1.0 | cpe:2.3:a:oretnom23:simple_online_book_store_system:1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://simple.com | Not Applicable |
| http://sourcecodester.com | Product |
| https://github.com/lucascdsm/CVEs/blob/main/CVE-2025-63891.md | Exploit Third Party Advisory |