Multiple cross-site scripting (XSS) vulnerabilities in GetSimple CMS before 3.3.6 allow remote attackers to inject arbitrary web script or HTML via the (1) post-content or (2) post-title parameter to admin/edit.php.
Conclusion & alert: CVE-2015-5355 is rated Exploit Available (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.30%). Core evidence: 2 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 ↗ | |
| — | 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 | 2025-05-23 | 0.36% | 0.30% | -0.06% |
| 2 | 2025-03-17 | 0.32% | 0.36% | +0.04% |
| 3 | 2024-12-17 | — | 0.32% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| get-simple | getsimple_cms | <= 3.3.2 | cpe:2.3:a:get-simple:getsimple_cms:*:*:*:*:*:*:*:* |