CVE-2021-27368 : Security Advisory and Response

This article provides an overview of CVE-2021-27368, a vulnerability that allows stored XSS via the First Name field on the Contact page in Monica 2.19.1.

Understanding CVE-2021-27368

This section delves into the impact and technical details of the CVE-2021-27368 vulnerability.

What is CVE-2021-27368?

The Contact page in Monica 2.19.1 allows stored XSS via the First Name field.

The Impact of CVE-2021-27368

This vulnerability can be exploited by an attacker to execute malicious scripts in the context of a user's browser.

Technical Details of CVE-2021-27368

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The stored XSS vulnerability in the First Name field of Monica 2.19.1 enables attackers to inject and execute malicious scripts.

Affected Systems and Versions

The affected system includes Monica 2.19.1 with the specific risk posed by the vulnerability in the Contact page.

Exploitation Mechanism

Attackers can exploit this vulnerability by inputting malicious scripts into the First Name field, which are then stored and executed when viewed by other users.

Mitigation and Prevention

To safeguard against CVE-2021-27368, users are advised to take immediate action and implement long-term security measures.

Immediate Steps to Take

Users should update Monica to the latest version to patch the vulnerability and prevent potential exploits.

Long-Term Security Practices

Implement input validation and output encoding to mitigate the risk of stored XSS attacks within web applications.

Patching and Updates

Regularly monitor for security patches and updates released by Monica to address vulnerabilities and enhance system security.