Ektron Content Management System (CMS) before 8.02 SP5 uses the XslCompiledTransform class with enablescript set to true, which allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges via crafted XSL data.
Conclusion & alert: CVE-2012-5357 is rated High Exploit Risk (88.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 82.59%, 99th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 23155 | exploit_db | edb | 2012-12-05 | Exploit-DB ↗ |
| — | 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 | 2025-05-16 | 83.02% | 82.59% | -0.43% |
| 2 | 2025-03-17 | 96.78% | 83.02% | -13.76% |
| 3 | 2024-12-22 | — | 96.78% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ektron | ektron_content_management_system | <= 8.02 | cpe:2.3:a:ektron:ektron_content_management_system:*:sp4:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://documentation.ektron.com/current/ReleaseNotes/Release8/8.02SP5.htm | Issue Tracking Vendor Advisory |
| https://technet.microsoft.com/library/security/msvr12-016 | Issue Tracking Release Notes Third Party Advisory |
| https://webstersprodigy.net/2012/10/25/cve-2012-5357cve-1012-5358-cool-ektron-xslt-rce-bugs/ | Exploit Issue Tracking Third Party Advisory |
| https://www.rapid7.com/db/modules/exploit/windows/http/ektron_xslt_exec | Exploit Issue Tracking Third Party Advisory |