CVE-2020-19293 : Security Advisory and Response

A stored cross-site scripting (XSS) vulnerability in the /article/add component of Jeesns 1.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in a posted article.

Understanding CVE-2020-19293

This CVE involves a stored XSS vulnerability in Jeesns 1.4.2, enabling attackers to run malicious scripts through specially crafted payloads.

What is CVE-2020-19293?

The vulnerability in Jeesns 1.4.2 permits the execution of unauthorized web scripts or HTML by malicious actors through manipulated content in an article submission.

The Impact of CVE-2020-19293

The presence of this vulnerability can lead to unauthorized script execution, potentially compromising the integrity and security of the affected system.

Technical Details of CVE-2020-19293

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The stored XSS flaw in the /article/add module of Jeesns 1.4.2 allows threat actors to inject and execute malicious scripts or HTML code via specially crafted payloads.

Affected Systems and Versions

Product: Jeesns
Version: 1.4.2

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting a malicious payload within an article, which, when processed by the vulnerable component, executes the injected scripts.

Mitigation and Prevention

Protecting systems from CVE-2020-19293 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable the /article/add component if not essential for operations.
Implement input validation to sanitize user-submitted content.
Regularly monitor and audit user-generated content for suspicious payloads.

Long-Term Security Practices

Conduct regular security training for developers on secure coding practices.
Employ web application firewalls to filter and block malicious input.

Patching and Updates

Apply patches or updates provided by the vendor to address the vulnerability and enhance system security.