CVE-2023-2507 : Vulnerability Insights and Analysis

This CVE record, assigned by Fluid Attacks, involves a critical vulnerability in the CleverTap Cordova Plugin version 2.6.2, impacting Android platforms. The CVE was published on July 15, 2023, and allows a remote attacker to execute JavaScript code in any application that is opened via a specially constructed deeplink.

Understanding CVE-2023-2507

The CleverTap Cordova Plugin version 2.6.2 vulnerability, identified as a Reflected XSS issue by CAPEC-591, poses a significant risk to affected systems.

What is CVE-2023-2507?

The CVE-2023-2507 vulnerability in the CleverTap Cordova Plugin version 2.6.2 enables malicious actors to execute JavaScript code in applications through crafted deeplinks due to inadequate data validation.

The Impact of CVE-2023-2507

With a CVSS base score of 9.3 (Critical), this vulnerability can lead to high impacts on confidentiality and integrity, with an attack vector over the network.

Technical Details of CVE-2023-2507

The following technical information sheds light on the vulnerability in the CleverTap Cordova Plugin version 2.6.2:

Vulnerability Description

The flaw allows remote attackers to inject and execute JavaScript code via deeplinks, as the plugin fails to appropriately validate incoming data.

Affected Systems and Versions

Affected Platforms: Android
Affected Product: Cordova Plugin
Vendor: CleverTap
Affected Version: 2.6.2

Exploitation Mechanism

The vulnerability can be exploited by an attacker sending specially crafted deeplinks to open applications and execute unauthorized JavaScript code.

Mitigation and Prevention

To safeguard affected systems from CVE-2023-2507, it is crucial to implement immediate mitigation measures and establish long-term security practices.

Immediate Steps to Take

Disable or temporarily remove the CleverTap Cordova Plugin version 2.6.2 from affected applications.
Monitor network traffic for any suspicious activities indicating exploitation attempts.

Long-Term Security Practices

Regularly update software and plugins to address known vulnerabilities promptly.
Implement secure coding practices to validate and sanitize inputs to prevent XSS attacks effectively.

Patching and Updates

Stay informed about security patches released by CleverTap for the Cordova Plugin and apply updates as soon as they are available to mitigate the CVE-2023-2507 vulnerability.