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CVE-2019-1802: Cisco Firepower Management Center Persistent Cross-Site Scripting Vulnerability

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-18 · updated 2026-06-17
• Weakness: CWE-79

Description

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected system. The vulnerability is due to insufficient validation of user-supplied input in the web-based management interface of the affected system. An attacker could exploit this vulnerability by persuading a user to access a report containing malicious content. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Versions 6.2.3, 6.3.0, and 6.4.0 are affected.

Affected products

• Cisco Firepower Management Center: 6.2.3, 6.3.0, 6.4.0

References

• http://www.securityfocus.com/bid/107995
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-cfmc-xss
• http://www.securityfocus.com/bid/107995
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-cfmc-xss

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