Monstra CMS 1.6 allows XSS via an uploaded SVG document to the admin/index.php?id=filesmanager&path=uploads/ URI. NOTE: this is a discontinued product.
Conclusion & alert: CVE-2018-19599 is rated Exploit Available (54.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.73%). 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 | 0.35% | 0.73% | +0.38% |
| 2 | 2025-11-21 | 0.26% | 0.35% | +0.10% |
| 3 | 2025-11-18 | — | 0.26% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| monstra | monstra_cms | 1.6 | cpe:2.3:a:monstra:monstra_cms:1.6:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://anh.im/image/lG1 | |
| https://github.com/monstra-cms/monstra/issues/467 | |
| https://github.com/security-provensec/CVE-2018-19599/blob/master/monstra-dev_svg.pdf | Exploit Third Party Advisory |