CVE-2011-4156

CVE-2011-4156 is a none vulnerability published on November 16, 2011. Cross-site scripting (XSS) vulnerability in HP Network Node Manager i (NNMi) 9.0x and 9.1x allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2011-4155.

CVE-2011-4156 was first published in the National Vulnerability Database on November 16, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2011-4156 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4156, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.