CVE-2021-21252
Regular Expression Denial of Service in jquery-validation
7.5
HIGH
CVSS 3.1
EPSS 0.67%
Description
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.
How to fix CVE-2021-21252
To remediate CVE-2021-21252, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 6.0.32-4 or later
- —upgrade to 4:5.0.4+dfsg2-2 or later
- —upgrade to 1.19.3 or later
- —upgrade to 1.19.3 or later
Is CVE-2021-21252 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0
- from 0, < 6.0.32-4
- from 0, < 4:5.0.4+dfsg2-2
- from 0, < 1.19.3
- from 0, < 1.19.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |