CVE-2018-1000855: Basecamp Easymon

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

easymon version 1.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Endpoint where monitoring is mounted that can result in Reflected XSS that affects Firefox. Can be used to steal cookies, depending on the cookie settings.. This attack appear to be exploitable via The victim must click on a crafted URL that contains the XSS payload. This vulnerability appears to have been fixed in 1.4.1 and later.

Affected products

• Basecamp Easymon: up to and including 1.4

Published 2018-12-20. Last modified 2026-06-17.