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

Medium 5.4 Published 18 Apr 2019 Updated 21 Nov 2024

An authenticated attacker can inject malicious scripts via email payloads to execute code or steal data in other users' browsers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-1777?

CVE-2019-1777 is a medium-severity cross-site scripting vulnerability in Cisco Registered Envelope Service, published on 18 Apr 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2019-1777?

It affects 1 product.

Products include Cisco Registered Envelope Service.

How do I fix CVE-2019-1777?

No fix has been published for CVE-2019-1777 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-1777 being exploited?

There is no known exploitation of CVE-2019-1777 in the wild and no public exploit code.

Sources

Also known as GHSA-m27g-q8gc-rwfg.