CVE-2022-21222

MEDIUM

css-what < 2.1.3 - Regular Expression Denial of Service via Insecure Regular Expression in parse Function

Title source: llm
STIX 2.1

Description

The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.0142
EPSS Percentile 69.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-1333
Status published
Products (2)
css-what_project/css-what < 2.1.3
npm/css-what 0 - 2.1.3npm
Published Sep 30, 2022
Tracked Since Feb 18, 2026