ModStartCMS v9.5.0 has an arbitrary file write vulnerability, which allows attackers to write malicious files and execute malicious commands to obtain sensitive data on the server.
Conclusion & alert: CVE-2025-55824 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.07%). 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 | 2026-05-19 | 0.04% | 0.07% | +0.03% |
| 2 | 2026-01-29 | 0.05% | 0.04% | -0.01% |
| 3 | 2025-10-14 | — | 0.05% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| modstart | mostartcms | 9.5.0 | cpe:2.3:a:modstart:mostartcms:9.5.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/CTRLCCT/8f314998f30a95262e512b5417151ea1 | Exploit Third Party Advisory |