Cross Site Scripting Vulnerability in Portainer by Portainer Labs
CVE-2021-42650

6.1MEDIUM

Key Information:

Vendor

Portainer

Status
Portainer
Vendor
CVE Published:
18 October 2021

What is CVE-2021-42650?

A Cross Site Scripting (XSS) vulnerability exists in Portainer prior to version 2.9.1. This flaw allows attackers to inject malicious scripts through the node input box in Custom Templates, potentially compromising user data and leading to further exploitation of the application. It is essential for users to update to the latest version and ensure proper input validation to mitigate the risks associated with this vulnerability.

References

https://github.com/portainer/portainer/pull/5766
x_refsource_MISC
https://github.com/purple-WL/Security-vulnerability/blob/...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.