Learn about CVE-2022-34140, a stored cross-site scripting vulnerability in Feehi CMS v2.1.1 that allows attackers to execute arbitrary scripts. Find out the impact, technical details, and mitigation steps.
A stored cross-site scripting (XSS) vulnerability in Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username field.
Understanding CVE-2022-20657
This vulnerability, identified as CVE-2022-34140, puts users of Feehi CMS v2.1.1 at risk of cross-site scripting attacks.
What is CVE-2022-20657?
CVE-2022-34140 is a stored cross-site scripting (XSS) vulnerability discovered in /index.php?r=site%2Fsignup of Feehi CMS v2.1.1. Attackers can exploit this flaw by inserting a malicious payload into the username field, enabling them to run arbitrary web scripts or HTML.
The Impact of CVE-2022-20657
The impact of this vulnerability is significant as it allows attackers to carry out cross-site scripting attacks, compromising the security and integrity of the affected systems. This could lead to unauthorized access, data theft, and other malicious activities.
Technical Details of CVE-2022-20657
To address and mitigate the risk posed by CVE-2022-34140, it is essential to understand the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate input validation in the username field of /index.php?r=site%2Fsignup in Feehi CMS v2.1.1, which allows attackers to inject and execute malicious scripts or HTML code.
Affected Systems and Versions
Feehi CMS v2.1.1 is the specific version impacted by this vulnerability, potentially putting all systems with this version at risk.
Exploitation Mechanism
Exploiting CVE-2022-34140 involves inserting a specially crafted payload into the username field of the signup page, triggering the execution of arbitrary web scripts or HTML.
Mitigation and Prevention
To protect systems and users from the risks associated with CVE-2022-34140, immediate steps need to be taken along with implementing long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security updates for Feehi CMS and promptly apply patches to ensure protection against known vulnerabilities.