Vulnerability · Published Jun 1, 2022 · Assigned by JFROG
CVE-2021-43306Exponential ReDoS in jquery-validation
Medium 5.9
In plain English
A medium-severity regular-expression denial of service in jquery-validation from jquery-validation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)1.5%top 25.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | jquery-validation | 1.19.4 | GHSA-j9m2-h2pv-wvph |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jquery-validation | jquery-validation | unspecified – before 1.19.4 |
Weakness: CWE-1333 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H