Medium severity5.9NVD Advisory· Published Jun 2, 2022· Updated Jun 17, 2026
CVE-2021-43306
CVE-2021-43306
Description
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the jquery-validation npm package, when an attacker is able to supply arbitrary input to the url2 method
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
jquery-validationnpm | < 1.19.4 | 1.19.4 |
Affected products
3- cpe:2.3:a:jqueryvalidation:jquery_validation:*:*:*:*:*:node.js:*:*Range: <1.19.4
- Range: unspecified
Patches
Vulnerability mechanics
References
6- research.jfrog.com/vulnerabilities/jquery-validation-redos-xray-211348/nvdExploitThird Party Advisory
- github.com/advisories/GHSA-j9m2-h2pv-wvphghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-43306ghsaADVISORY
- github.com/jquery-validation/jquery-validation/commit/69cb17ed774b427f7e2ffcdf197968231725c30eghsaWEB
- github.com/jquery-validation/jquery-validation/pull/2428ghsaWEB
- research.jfrog.com/vulnerabilities/jquery-validation-redos-xray-211348ghsaWEB
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