Cross-site request forgery (CSRF) vulnerability in index/manager/fileUpload in Public Knowledge Project Open Harvester Systems 2.3.1 and earlier allows remote attackers to hijack the authentication of administrators for requests that upload PHP files.
Conclusion & alert: CVE-2011-5197 is rated High Exploit Risk (62.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). 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 |
|---|---|---|---|---|
| 18266 | exploit_db | edb | 2011-12-23 | 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 | 2026-02-06 | 0.25% | 0.36% | +0.11% |
| 2 | 2025-08-21 | 0.36% | 0.25% | -0.11% |
| 3 | 2025-03-30 | — | 0.36% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| public_knowledge_project | open_harvester_systems | <= 2.3.1 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:*:*:*:*:*:*:*:* |
| public_knowledge_project | open_harvester_systems | 1.0 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:1.0:*:*:*:*:*:*:* |
| public_knowledge_project | open_harvester_systems | 1.0.1 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:1.0.1:*:*:*:*:*:*:* |
| public_knowledge_project | open_harvester_systems | 2.0.0 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:2.0.0:*:*:*:*:*:*:* |
| public_knowledge_project | open_harvester_systems | 2.0.1 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:2.0.1:*:*:*:*:*:*:* |
| public_knowledge_project | open_harvester_systems | 2.3.0 | cpe:2.3:a:public_knowledge_project:open_harvester_systems:2.3.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.exploit-db.com/exploits/18266 | Exploit |