CVE-2020-12703 : Security Advisory and Response

UliCMS before 2020.2 has XSS during PackageController uninstall.

Understanding CVE-2020-12703

This CVE involves a cross-site scripting (XSS) vulnerability in UliCMS before version 2020.2 that occurs during the uninstallation process of PackageController.

What is CVE-2020-12703?

CVE-2020-12703 is a security vulnerability in UliCMS that allows for XSS attacks when uninstalling PackageController.

The Impact of CVE-2020-12703

The vulnerability could be exploited by attackers to execute malicious scripts in the context of the victim's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-12703

This section provides more technical insights into the CVE.

Vulnerability Description

The XSS vulnerability in UliCMS before 2020.2 allows attackers to inject and execute malicious scripts during the uninstallation of PackageController.

Affected Systems and Versions

Affected Version: UliCMS before 2020.2

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious scripts and tricking a user with administrative privileges to uninstall the PackageController, triggering the XSS payload.

Mitigation and Prevention

Protecting systems from CVE-2020-12703 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update UliCMS to version 2020.2 or later to mitigate the XSS vulnerability.
Be cautious when uninstalling PackageController and avoid executing any suspicious scripts.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Educate users on safe practices to avoid falling victim to XSS attacks.

Patching and Updates

Ensure that all software components, including UliCMS and its plugins, are regularly updated to the latest secure versions.