HomeMalware & ThreatsVulnerability in ResidenceCMS 2.10.1: Cross Site Scripting

Vulnerability in ResidenceCMS 2.10.1: Cross Site Scripting

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Vulnerability in ResidenceCMS 2.10.1: Cross Site Scripting

In a recent discovery by cybersecurity researcher Jeremia Geraldi Sihombing, a critical stored cross-site scripting (XSS) vulnerability was found in ResidenceCMS version 2.10.1. This flaw allows a user with low privileges to insert malicious HTML content into the property description, creating a stored XSS payload. When this infected property page is accessed by anyone, including the administrator, the XSS payload is activated, putting the system at risk of exploitation.

The exploitation of this vulnerability is alarming as it bypasses the usual security measures and can be triggered by any user account, regardless of authorization levels. By taking advantage of the property[property_description][content] parameter, attackers can inject harmful scripts into the system, potentially compromising sensitive data and causing significant damage.

To demonstrate the vulnerability, Sihombing outlined a step-by-step guide on how to reproduce the XSS attack. Firstly, a low privilege user must log in and access the property edit capability. Then, the user needs to create or edit a property, filling the content form with XSS payload using the Code View feature. The payload, such as , is designed to execute malicious actions upon loading the infected property page.

Once the XSS payload is inserted and the property content is saved, clicking ‘Finish Editing’ will finalize the process. Subsequently, visiting the property page will trigger the XSS attack, showcasing the severity of the vulnerability. The example payload provided demonstrates how the attacker can retrieve sensitive information, such as cookies, by exploiting the flaw in ResidenceCMS.

In a Burp request example provided by Sihombing, the HTTP POST request highlights the parameters involved in creating or editing a property. The property[property_description][content] parameter is manipulated to include the XSS payload, showcasing the ease with which attackers can insert malicious scripts into the system. The request structure indicates the potential impact of this vulnerability on the security of ResidenceCMS.

Security experts emphasize the importance of addressing the vulnerability promptly to prevent exploitation by threat actors. With the potential for unauthorized access and data breaches, the impact of this XSS flaw could be detrimental to the integrity of ResidenceCMS and the privacy of its users. It is crucial for developers to release a patch or update that mitigates this vulnerability effectively.

As the cybersecurity landscape evolves, the detection and remediation of vulnerabilities like the stored XSS in ResidenceCMS are essential to maintaining a secure web application environment. Awareness of such weaknesses and proactive measures to address them are vital in safeguarding sensitive information and preventing cybersecurity incidents. Stay tuned for updates on the mitigation efforts for this critical vulnerability in ResidenceCMS version 2.10.1.

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