Resource exhaustion in Jquery-Validation

CVE-2021-21252

The jQuery Validation Plugin provides drop-in validation for your existing forms. It is published as an npm package "jquery-validation". jquery-validation before version 1.19.3 contains one or more regular expressions that are vulnerable to ReDoS (Regular Expression Denial of Service). This is fixed in 1.19.3.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.034 (87.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21252?
CVE-2021-21252 is a medium-severity vulnerability in Jquery-Validation, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2021-01-13.
How severe is CVE-2021-21252?
Medium severity. CVSS v3 base score is 5.3 out of 10.