CVE-2021-3801

prismjs Regular Expression Denial of Service vulnerability

Description

Prism is a syntax highlighting library. The prismjs package is vulnerable to ReDoS (regular expression denial of service). An attacker that is able to provide a crafted HTML comment as input may cause an application to consume an excessive amount of CPU.

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

Severity

Ecosystem

JavaScript

Publish Date

September 20, 2021

Modified Date

November 7, 2023

Score Vector

Affected Versions