CVE-2022-31147: The jQuery Validation Plugin (jquery-validation) provides drop-in validation for forms

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HIGH 7.5REMOTEUPGRADE

CVE-2022-31147 is a high-severity flaw (CVSS 7.5) affecting jquery validation. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The jQuery Validation Plugin (jquery-validation) provides drop-in validation for forms. Versions of jquery-validation prior to 1.19.5 are vulnerable to regular expression denial of service (ReDoS) when an attacker is able to supply arbitrary input to the url2 method. This is due to an incomplete fix for CVE-2021-43306. Users should upgrade to version 1.19.5 to receive a patch.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-1333
Published	2022-07-14
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2022-07-14 20:15 UTCPublished CVE record published
2026-06-17 04:44 UTCUpdated Record last modified

jqueryvalidation jquery validation UPGRADE

Affected: < 1.19.5

Fixed in: 1.19.5

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls jquery-validation

2. UPGRADE to 1.19.5

npm install jquery-validation@">=1.19.5"

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-2022-31147?

jquery validation: upgrade to 1.19.5. Exact commands for each OS are on this page.

Is CVE-2022-31147 being exploited?

CVE-2022-31147 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-2022-31147 affect?

CVE-2022-31147 affects jquery validation. Severity is high (CVSS 7.5). The jQuery Validation Plugin (jquery-validation) provides drop-in validation for forms. Versions of jquery-validation prior to 1.19.5 are vulnerable to regular expression denial of service (ReDoS) when an attacker is able to supply arbitrar

How urgent is CVE-2022-31147?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

Software pages

jQuery vulnerabilities

Related CVEs

CVE-2021-43306 MEDIUM 5.9 UPGRADE An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the jquery-validation npm pack
CVE-2021-21252 MEDIUM 5.3 UPGRADE MITIGATE The jQuery Validation Plugin provides drop-in validation for your existing forms

References

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