CVE-2022-43695 : What You Need to Know
Learn about CVE-2022-43695, a Stored Cross-Site Scripting (XSS) vulnerability impacting Concrete CMS versions below 8.5.10 and between 9.0.0 and 9.1.2. Find out the impact, technical details, and mitigation steps.
The CVE-2022-43695 pertains to a Stored Cross-Site Scripting (XSS) vulnerability found in Concrete CMS (formerly concrete5) versions below 8.5.10 and between 9.0.0 and 9.1.2. This article will delve into the specifics, impact, technical details, and mitigation steps related to this CVE.
Understanding CVE-2022-43695
Concrete CMS versions below 8.5.10 and between 9.0.0 and 9.1.2 are susceptible to a Stored Cross-Site Scripting (XSS) vulnerability in dashboard/system/express/entities/associations.
What is CVE-2022-43695?
The vulnerability exists in Concrete CMS, allowing association with an entity name that either doesn't exist or, if it does, contains XSS due to improper sanitization. Attackers can exploit this to execute malicious scripts in the context of a user's session.
The Impact of CVE-2022-43695
If successfully exploited, attackers can execute arbitrary scripts, steal sensitive information, modify contents, or perform actions on behalf of a user, leading to compromise of user data and system integrity.
Technical Details of CVE-2022-43695
Vulnerability Description
The vulnerability occurs due to Concrete CMS's lack of proper sanitization when associating with non-existent or malicious entities, allowing the execution of arbitrary scripts.
Affected Systems and Versions
Concrete CMS versions below 8.5.10 and between 9.0.0 and 9.1.2 are affected by this XSS vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious entities or utilizing existing ones to inject and execute malicious scripts within the CMS.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the CVE-2022-43695 vulnerability, users are advised to update their Concrete CMS installations to version 9.1.3+ or 8.5.10+ to ensure that the XSS vulnerability is patched.
Long-Term Security Practices
It is recommended to regularly update software, enforce input validation, and implement Content Security Policy (CSP) to prevent XSS attacks and maintain system security.
Patching and Updates
Stay informed about security advisories and updates released by Concrete CMS to promptly apply patches and protect systems from known vulnerabilities.