CVE-2020-20697 in NodCMS
Summary
by MITRE • 06/20/2023
Cross Site Scripting vulnerability in khodakhah NodCMS v.3.0 allows a remote attacker to execute arbitrary code and gain access to senstivie information via a crafted script to the address parameter.
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Analysis
by VulDB Data Team • 07/16/2025
The vulnerability identified as CVE-2020-20697 represents a critical cross site scripting flaw within the khodakhah NodCMS version 3.0 content management system. This vulnerability exists in the handling of user-supplied input through the address parameter, creating a pathway for remote attackers to inject malicious scripts into the application's response. The flaw stems from insufficient input validation and output encoding mechanisms that fail to properly sanitize user-provided data before rendering it within the web interface. Attackers can exploit this weakness by crafting malicious payloads that, when processed by the vulnerable application, execute within the context of other users' browsers. The vulnerability specifically affects the address parameter, which suggests that the CMS likely uses this parameter for URL routing or navigation purposes, making it a prime target for exploitation.
The technical nature of this vulnerability aligns with CWE-79, which defines Cross-Site Scripting as a condition where an application includes untrusted data in a new web page without proper validation or escaping, allowing attackers to execute scripts in the victim's browser context. This particular implementation flaw demonstrates how insufficient sanitization of user input can lead to complete compromise of the application's security posture. The vulnerability's remote exploitability means that attackers do not require physical access or authentication to the system, making it particularly dangerous in web-facing applications. The ability to execute arbitrary code through this vector indicates that the malicious scripts could potentially access sensitive information, manipulate user sessions, or redirect users to malicious websites, depending on the specific implementation and the privileges of the affected users.
The operational impact of CVE-2020-20697 extends beyond simple script execution, as it can enable attackers to perform session hijacking, data theft, and privilege escalation within the CMS environment. When an attacker successfully injects malicious scripts through the address parameter, they can potentially access administrative panels, modify content, steal user credentials, or establish persistent backdoors within the affected system. The vulnerability's classification as remote and the fact that it allows access to sensitive information through crafted script injection places this flaw in the high-risk category according to standard security frameworks. The attack surface is particularly concerning because CMS platforms often contain sensitive administrative data and user information, making them attractive targets for cybercriminals. The exploitation process typically involves crafting a malicious URL containing the XSS payload and enticing victims to click on it, which can be achieved through phishing campaigns or by compromising legitimate links within the application.
Mitigation strategies for CVE-2020-20697 should focus on implementing robust input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user input, particularly parameters like address, through proper encoding techniques that prevent script execution in the browser context. Security measures should include implementing Content Security Policy headers, using parameterized queries for database interactions, and ensuring that all user-supplied data is properly escaped before being rendered in web pages. Organizations should also consider implementing web application firewalls that can detect and block suspicious script injection attempts, along with regular security audits and penetration testing to identify similar vulnerabilities. The remediation process requires updating the affected NodCMS version to a patched release that addresses the XSS vulnerability, as well as implementing proper input validation routines that specifically target the address parameter and similar routing parameters. According to ATT&CK framework, this vulnerability maps to T1059.007 for script injection techniques and T1566 for social engineering methods that may be employed to deliver the malicious payloads, emphasizing the need for comprehensive defensive measures that address both the technical flaw and potential exploitation vectors.