Description
This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.
References (4)
Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353
Third Party Advisory x_refsource_misc
https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p
Patch, Third Party Advisory x_refsource_misc
https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e
Scores
CVSS v3
7.5
EPSS
0.0344
EPSS Percentile
87.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (2)
npm/npm-user-validate
0 - 1.0.1npm
npmjs/npm-user-validate
< 1.0.1
Published
Oct 27, 2020
Tracked Since
Feb 18, 2026