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CVE-2019-1777: Cisco Registered Envelope Service Stored Cross-Site Scripting Vulnerability

• Severity: medium (CVSS 5.4 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 interface of the Cisco Registered Envelope Service could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against another user of the service. The vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the affected software. An attacker could exploit this vulnerability by sending an email with a malicious payload to another user. 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. This vulnerability affects software versions 5.3.4.x.

Affected products

• Cisco Registered Envelope Service: 5.3.4-027

References

• http://www.securityfocus.com/bid/108015
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-res-xss
• http://www.securityfocus.com/bid/108015
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-res-xss

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