High (7.5). EPSS 3.6% chance of exploitation in the next 30 days. Fixed in jquery-validation 1.19.3.
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.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)