CVE-2023-28474 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability identified in Concrete CMS, previously known as concrete5, specifically affecting versions 9.0 through 9.1.3. The vulnerability involves Stored Cross-Site Scripting (XSS) on Saved Presets within the search functionality.

Understanding CVE-2023-28474

Concrete CMS, in its versions 9.0 through 9.1.3, is susceptible to a Stored XSS attack that targets Saved Presets within the search feature.

What is CVE-2023-28474?

CVE-2023-28474 highlights a security flaw in Concrete CMS versions 9.0 through 9.1.3, where an attacker can execute malicious scripts by injecting them into Saved Presets during a search operation.

The Impact of CVE-2023-28474

This vulnerability could allow an attacker to execute arbitrary scripts within the context of a user's session, potentially leading to unauthorized actions or data theft on the affected system.

Technical Details of CVE-2023-28474

The following details provide a deeper insight into the specifics of CVE-2023-28474:

Vulnerability Description

The vulnerability in Concrete CMS versions 9.0 through 9.1.3 enables attackers to store and later execute malicious scripts via the Saved Presets feature in the search functionality.

Affected Systems and Versions

The impacted systems are those running Concrete CMS versions 9.0 through 9.1.3, with this vulnerability present in these specific iterations of the platform.

Exploitation Mechanism

By leveraging the Stored XSS vulnerability on Saved Presets within the search feature, threat actors can inject and execute harmful scripts, compromising the security and integrity of the system.

Mitigation and Prevention

Addressing CVE-2023-28474 requires immediate actions to mitigate the risk and prevent potential exploitation of the vulnerability.

Immediate Steps to Take

System administrators and users are advised to disable or limit access to the Saved Presets feature in Concrete CMS versions 9.0 through 9.1.3 to reduce the risk of XSS attacks.

Long-Term Security Practices

Implementing regular security assessments, conducting thorough code reviews, and promoting secure coding practices can bolster the overall security posture of web applications like Concrete CMS.

Patching and Updates

It is crucial to stay informed about security advisories and updates from Concrete CMS regarding CVE-2023-28474. Applying patches and upgrades provided by the vendor can help address known vulnerabilities and enhance system security.