CVE-2022-23647 : Vulnerability Insights and Analysis
Learn about CVE-2022-23647, a high-severity cross-site scripting vulnerability in PrismJS 1.14.0 to 1.27.0. Explore the impact, affected systems, and mitigation steps to secure your web applications.
Prism, a syntax highlighting library, is impacted by a cross-site scripting vulnerability that allows attackers to execute malicious scripts. This article delves into the details and necessary precautions to mitigate the risk.
Understanding CVE-2022-23647
In this section, we will explore what CVE-2022-23647 entails and its implications.
What is CVE-2022-23647?
CVE-2022-23647 refers to a vulnerability in PrismJS versions >= 1.14.0 and < 1.27.0, where the library's command line plugin can be exploited by attackers for cross-site scripting attacks. This could lead to inserting input text as HTML code in the Document Object Model (DOM).
The Impact of CVE-2022-23647
The severity of this CVE is rated as HIGH due to its potential to compromise confidentiality and integrity. The attack complexity is deemed HIGH, requiring user interaction and affecting network accessibility.
Technical Details of CVE-2022-23647
This section covers the technical aspects of the vulnerability, including its description, affected systems, and exploitation mechanisms.
Vulnerability Description
Prism's command line plugin from version 1.14.0 to 1.27.0 does not properly escape output, enabling attackers to inject scripts, posing a risk of cross-site scripting attacks.
Affected Systems and Versions
PrismJS versions between >= 1.14.0 and < 1.27.0 utilizing the command line plugin are vulnerable to this cross-site scripting flaw.
Exploitation Mechanism
Attackers can leverage the unescaped output of the command line plugin to execute malicious scripts, compromising the security of the web application.
Mitigation and Prevention
In this section, we outline steps to mitigate the risks posed by CVE-2022-23647 and prevent potential exploitation.
Immediate Steps to Take
To address this vulnerability immediately, ensure that untrusted inputs are not processed through the Prism command line plugin. Sanitize all code blocks to remove any HTML code text.
Long-Term Security Practices
Implement strict input validation procedures and sanitize user-generated content to prevent script injection attacks.
Patching and Updates
Update PrismJS to version 1.27.0 or newer, where the vulnerability has been remediated. Regularly monitor security advisories and apply patches promptly.