Vulnerability · Published May 31, 2021 · Assigned by snyk
CVE-2021-23388Regular Expression Denial of Service (ReDoS)
Medium 5.3
In plain English
A medium-severity security flaw in forms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.7%top 23.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package forms before 1.2.1, from 1.3.0 and before 1.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via email validation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | forms | 1.3.2 | GHSA-c56f-grv3-gpfr |
Affected products (as reported)
References
- https://snyk.io/vuln/SNYK-JS-FORMS-1296389 x_refsource_MISC
- https://github.com/caolan/forms/pull/214 x_refsource_MISC
- https://github.com/caolan/forms/pull/214/commits/d4bd5b5febfe49c1f585f162e04ec810f8dc47a0 x_refsource_MISC