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TI-2019-01402 Aliases CVE-2019-1777GHSA-m27g-q8gc-rwfg

Cisco Registered Envelope Service Stored Cross-Site Scripting Vulnerability

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00876 59th percentileScored 2026-11-07
Fix Fixed Cisco Registered Envelope Service (Cisco): 5.3.4-027

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Registered Envelope Servicebefore 5.3.4-0275.3.4-027Patch availableCNA
  • Cisco Registered Envelope Service VendorCisco Affected before 5.3.4-027 Fixed in 5.3.4-027 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:registered_envelope_service:5.3.4-027:*:*:*:*:*:*:*5.3.4-027VulnerableCisco
  • cpe:2.3:a:cisco:registered_envelope_service:5.3.4-027:*:*:*:*:*:*:* Versions 5.3.4-027 Vulnerable ·Cisco

Remediation

  • Fix · CNA Cisco Registered Envelope Service (Cisco) Fixed in 5.3.4-027

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1777
  2. 2026-10-03 Alias added: GHSA-m27g-q8gc-rwfg

References

Advisory 1

  • TI-2018-11008 Cisco Registered Envelope Service Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
  • TI-2017-09099 Cross-site scripting in Cisco Registered Envelope Service CVSS 3.0MEDIUM 6.1
  • TI-2017-09097 Cross-site scripting in Cisco Registered Envelope Service CVSS 3.0MEDIUM 6.1
  • TI-2017-09096 Cross-site scripting in Cisco Registered Envelope Service CVSS 3.0MEDIUM 6.1
  • TI-2017-02985 Improper input validation in Cisco Registered Envelope Service CVSS 3.0MEDIUM 6.1
  • TI-2018-00326 Cross-site scripting in Cisco Registered Envelope Service CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences