CVE-2021-25969 : Exploit Details and Defense Strategies

Camaleon CMS application versions 0.0.1 to 2.6.0 are vulnerable to stored XSS, enabling unauthenticated attackers to inject and execute malicious scripts in the comments.

Understanding CVE-2021-25969

This CVE describes a stored cross-site scripting (XSS) vulnerability in Camaleon CMS, allowing attackers to store malicious scripts in the comments section of posts, leading to script execution in victims' browsers.

What is CVE-2021-25969?

The vulnerability in Camaleon CMS versions 0.0.1 to 2.6.0 permits unauthenticated attackers to insert harmful scripts in comments, triggering script execution when a user accesses the compromised page.

The Impact of CVE-2021-25969

This vulnerability poses a moderate risk with a CVSS base score of 6.1, potentially leading to unauthorized script execution in the context of the victim's browser.

Technical Details of CVE-2021-25969

The technical details include:

Vulnerability Description

Camaleon CMS versions 0.0.1 to 2.6.0 are susceptible to stored XSS, enabling attackers to execute malicious scripts via comments.

Affected Systems and Versions

Camaleon CMS versions 0.0.1 to 2.6.0 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts in the comments section of posts, which execute when the affected page is viewed.

Mitigation and Prevention

To address CVE-2021-25969, consider the following measures:

Immediate Steps to Take

Ensure users update Camaleon CMS to version 2.6.0.1 to mitigate the risk of stored XSS attacks.

Long-Term Security Practices

Implement security best practices, including input sanitization and user input validation, to prevent XSS vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by the Camaleon CMS maintainers to address known vulnerabilities.