CVE-2021-42650

Description

Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/portainer/portainer/pull/5766 third party advisory patch
https://github.com/purple-WL/Security-vulnerability/blob/main/Portainer%20Custom%20Templates%20xss third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-42650?
CVE-2021-42650 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42650?
To fix CVE-2021-42650, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42650 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42650 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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