A vulnerability found in IPRateLimit implementation of FileCodeBox up to 2.2 allows remote attackers to bypass ip-based rate limit protection and failed attempt restrictions by faking X-Real-IP and X-Forwarded-For HTTP headers. This can enable attackers to perform DoS attacks or brute force share codes.
Conclusion & alert: CVE-2025-51663 is rated Exploit Available (54.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.35%). 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 | 0.12% | 0.35% | +0.23% |
| 2 | 2026-04-17 | 0.15% | 0.12% | -0.04% |
| 3 | 2026-03-21 | — | 0.15% | — |
Full EPSS history (5 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 |
|---|---|---|---|
| lanol | filecodebox | <= 2.2 | cpe:2.3:a:lanol:filecodebox:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/vastsa/FileCodeBox | Product |
| https://github.com/vastsa/FileCodeBox/issues/350 | Exploit Issue Tracking |