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CVE-2018-1000855

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Date: December 20, 2018

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.

Language: Ruby

Severity Score

Related Resources (6)

https://github.com/basecamp/easymon/pull/25
https://github.com/basecamp/easymon/issues/26
https://nvd.nist.gov/vuln/detail/CVE-2018-1000855
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/easymon/CVE-2018-1000855.yml
https://github.com/basecamp/easymon
https://www.mend.io/vulnerability-database/CVE-2018-1000855

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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