Cross-site scripting (XSS) vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2014-5397 is rated Moderate Risk (51.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.40%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-11-01 | 0.25% | 0.40% | +0.15% |
| 2 | 2025-03-30 | 0.32% | 0.25% | -0.07% |
| 3 | 2025-03-29 | — | 0.32% | — |
Full EPSS history (7 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] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| invensys | wonderware_information_server | 4.0 | cpe:2.3:a:invensys:wonderware_information_server:4.0:sp1:*:*:*:*:*:* |
| invensys | wonderware_information_server | 4.0 | cpe:2.3:a:invensys:wonderware_information_server:4.0:sp1:*:*:portal:*:*:* |
| invensys | wonderware_information_server | 4.5 | cpe:2.3:a:invensys:wonderware_information_server:4.5:-:portal:*:*:*:*:* |
| invensys | wonderware_information_server | 5.0 | cpe:2.3:a:invensys:wonderware_information_server:5.0:-:portal:*:*:*:*:* |
| invensys | wonderware_information_server | 5.5 | cpe:2.3:a:invensys:wonderware_information_server:5.5:*:*:*:portal:*:*:* |