The default configuration of Parallels Plesk Panel 9.0.x and 9.2.x on UNIX, and Small Business Panel 10.x on UNIX, has an improper ScriptAlias directive for phppath, which makes it easier for remote attackers to execute arbitrary code via a crafted request, a different vulnerability than CVE-2012-1823.
Conclusion & alert: CVE-2013-4878 is rated High Exploit Risk (84.3/100): CVSS High severity, with high exploitation likelihood (EPSS 31.07%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +17.13% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 25986 | exploit_db | edb | 2013-06-05 | 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 | 13.94% | 31.07% | +17.13% |
| 2 | 2026-02-15 | 17.23% | 13.94% | -3.29% |
| 3 | 2025-09-15 | — | 17.23% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| parallels | parallels_plesk_panel | 9.0 | cpe:2.3:a:parallels:parallels_plesk_panel:9.0:*:*:*:*:*:*:* |
| parallels | parallels_plesk_panel | 9.2 | cpe:2.3:a:parallels:parallels_plesk_panel:9.2:*:*:*:*:*:*:* |
| parallels | parallels_small_business_panel | 10.0 | cpe:2.3:a:parallels:parallels_small_business_panel:10.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://kb.parallels.com/116241 | Vendor Advisory |
| http://seclists.org/fulldisclosure/2013/Jun/21 | |
| http://www.kb.cert.org/vuls/id/673343 | US Government Resource |