CVE-2022-37609: Prototype pollution vulnerability in beautify-web js-beautify 1.13.7 via the name variable in options.js.

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-37609 is a critical-severity flaw (CVSS 9.8) affecting js-beautify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Prototype pollution vulnerability in beautify-web js-beautify 1.13.7 via the name variable in options.js.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-1321
Published	2022-10-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: js-beautify project

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

Am I affected?

Timeline

2022-10-11 19:15 UTCPublished CVE record published
2026-06-17 04:55 UTCUpdated Record last modified

js-beautify project js-beautify DOWNGRADE

Affected: 1.13.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.13.7

1. Check installed version

apt-cache policy js-beautify || rpm -q js-beautify || js-beautify --version

2. No fixed release: DOWNGRADE to a release before 1.13.7 (Debian / Ubuntu)

apt-cache madison js-beautify sudo apt install js-beautify=<VERSION_BEFORE_1.13.7> sudo apt-mark hold js-beautify

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list js-beautify sudo dnf downgrade js-beautify-<VERSION_BEFORE_1.13.7> sudo dnf versionlock add js-beautify

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-37609?

js-beautify: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-37609 being exploited?

CVE-2022-37609 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-2022-37609 affect?

CVE-2022-37609 affects js-beautify. Severity is critical (CVSS 9.8). Prototype pollution vulnerability in beautify-web js-beautify 1.13.7 via the name variable in options.js.

How urgent is CVE-2022-37609?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

References

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