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CVE-2021-23347

Cross-site Scripting (XSS)

MEDIUM
4.8
CVSS Score
Published: March 3, 2021 at 09:55 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorArgo CD

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

The package github.com/argoproj/argo-cd/cmd before 1.7.13, from 1.8.0 and before 1.8.6 are vulnerable to Cross-site Scripting (XSS) the SSO provider connected to Argo CD would have to send back a malicious error message containing JavaScript to the user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Argo CD· Argoprojgo
95%
v ≥ 1.8.0v < 1.7.13v < 1.8.61.8.0 ≤ v < 1.8.61.8.0
Affected range stops below 1.7.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/argoproj/argo-cd/pull/5563
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMARGOPROJARGOCDCMD-1078291

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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