7.5

CVE-2021-43306: jquery-validation

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-43306GHSA-j9m2-h2pv-wvph
Published 01-06-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-43306 is a high (CVSS 7.5) vulnerability in jquery-validation. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.52%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 01-06-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.52%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.02 pp

From 1.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.52%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (research.jfrog.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Jquery-validation1 product
Jqueryvalidation1 product
Npm1 product
  • jquery-validation< 1.19.4
Ubuntu1 product
  • civicrmAll versions (No fix recorded)

4 vendors · 4 products

References

8 links