CVE-2021-21420: vscode-stripe is an extension for Visual Studio Code

Q: How do I fix CVE-2021-21420?

stripe: upgrade to 1.7.3. Exact commands for each OS are on this page.

Q: Is CVE-2021-21420 being exploited?

CVE-2021-21420 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-21420 affect?

CVE-2021-21420 affects stripe. Severity is high (CVSS 7.5). vscode-stripe is an extension for Visual Studio Code. A vulnerability in Stripe for Visual Studio Code extension exists when it loads an untrusted source-code repository containing malicious settings. An attacker who successfully exploited

Routine

HIGH 7.5UPGRADE

CVE-2021-21420 is a high-severity flaw (CVSS 7.5) affecting stripe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

vscode-stripe is an extension for Visual Studio Code. A vulnerability in Stripe for Visual Studio Code extension exists when it loads an untrusted source-code repository containing malicious settings. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. The update addresses the vulnerability by modifying the way the extension validates its settings.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-74
Published	2021-04-01
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: stripe

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-01 22:15 UTCPublished CVE record published
2026-06-17 03:35 UTCUpdated Record last modified

stripe stripe UPGRADE

Affected: < 1.7.3

Fixed in: 1.7.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stripe || rpm -q stripe || stripe --version

2. UPGRADE to 1.7.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stripe

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stripe

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-21420?

stripe: upgrade to 1.7.3. Exact commands for each OS are on this page.

Is CVE-2021-21420 being exploited?

CVE-2021-21420 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-21420 affect?

CVE-2021-21420 affects stripe. Severity is high (CVSS 7.5). vscode-stripe is an extension for Visual Studio Code. A vulnerability in Stripe for Visual Studio Code extension exists when it loads an untrusted source-code repository containing malicious settings. An attacker who successfully exploited

How urgent is CVE-2021-21420?

Priority 38/100. High severity

Software pages

Visual Studio vulnerabilities · Stripe vulnerabilities

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References

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