Cyber security

CVE-2023-43770 POC – Unveiling XSS Vulnerability In Roundcube

In the dynamic realm of cybersecurity, vulnerabilities emerge and evolve constantly. The recent discovery of CVE-2023-43770 highlights an alarming Cross-Site Scripting (XSS) flaw in popular webmail software, Roundcube.

This article delves deep into the vulnerability, offering a hands-on Proof-of-Concept to understand its intricacies and implications. Join us as we unveil the layers behind this significant security loophole.

A Proof-Of-Concept for the recently found CVE-2023-43770 vulnerability.

Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.

Usage

python cve-2023-43770.py -e attacker@gmail.com -p Attack3rPwd -t victim@example.com

Demo

Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

Recent Posts

How to Prevent Software Supply Chain Attacks

What is a Software Supply Chain Attack? A software supply chain attack occurs when a…

1 week ago

How UDP Works and Why It Is So Fast

When people ask how UDP works, the simplest answer is this: UDP sends data quickly…

3 weeks ago

How EDR Killers Bypass Security Tools

Endpoint Detection and Response (EDR) solutions have become a cornerstone of modern cybersecurity, designed to…

3 weeks ago

AI-Generated Malware Campaign Scales Threats Through Vibe Coding Techniques

A large-scale malware campaign leveraging AI-assisted development techniques has been uncovered, revealing how attackers are…

3 weeks ago

How Does a Firewall Work Step by Step

How Does a Firewall Work Step by Step? What Is a Firewall and How Does…

3 weeks ago

Fake VPN Download Trap Can Steal Your Work Login in Minutes

People trying to securely connect to work are being tricked into doing the exact opposite.…

3 weeks ago