CVE-2021-42650 - Vulnerability Details - OpenCVE

Description

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

Published: 2021-10-18

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:portainer:portainer:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-29613	Cross Site Scripting (XSS vulnerability exists in Portainer before 2.9.1 via the node input box in Custom Templates.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00606.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/portainer/portainer/pull/5766
https://github.com/purple-WL/Security-vulnerability/blob/main/Portainer%20Custom%20Templates%20xss

History

No history.

Subscriptions

Portainer Portainer

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-10-18T20:53:13.000Z

Updated: 2024-08-04T03:38:49.305Z

Reserved: 2021-10-18T00:00:00.000Z

Link: CVE-2021-42650

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-18T21:15:08.770

Modified: 2026-06-17T04:09:54.993

Link: CVE-2021-42650

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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