CVE-2021-42650

Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
VendorProductVersion
portainerportainer
𝑥
< 2.9.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/portainer/portainer/pull/5766
https://github.com/purple-WL/Security-vulnerability/blob/main/Portainer%20Custom%20Templates%20xss
https://github.com/portainer/portainer/pull/5766
https://github.com/purple-WL/Security-vulnerability/blob/main/Portainer%20Custom%20Templates%20xss