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CVE-2019-1777

Cisco Registered Envelope Service Stored Cross-Site Scripting Vulnerability

MEDIUM
5.4
CVSS Score
Published: April 18, 2019 at 12:25 AM UTC
Updated: June 17, 2026 at 02:29 AM UTC
1 product affected across 1 vendorCisco Registered Envelope Service

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cisco Registered Envelope Service· Cisco
95%
v < 5.3.4-275.3.4-27
Affected range stops below 5.3.4-27, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/108015
Vendor Advisoryx_refsource_CISCO
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-res-xss

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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