Cross-site scripting (XSS) vulnerability in VeriSign haydn.exe, as used in Managed PKI (MPKI) 6.0, allows remote attackers to inject arbitrary web script or HTML via a javascript URI in the VHTML_FILE parameter.
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Cross-site scripting (XSS) vulnerability in VeriSign haydn.exe, as used in Managed PKI (MPKI) 6.0, allows remote attackers to inject arbitrary web script or HTML via a javascript URI in the VHTML_FILE parameter.
March 22, 2006
April 16, 2026
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Verisign MPKI 6.0 - 'Haydn.exe' Cross-Site Scripting
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