CVE-2024-27558 in Stupid Simple CMS
Summary
by MITRE • 03/01/2024
Stupid Simple CMS 1.2.4 is vulnerable to Cross Site Scripting (XSS) within the blog title of the settings.
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Analysis
by VulDB Data Team • 03/29/2025
The vulnerability identified as CVE-2024-27558 affects Stupid Simple CMS version 1.2.4 and represents a cross site scripting flaw that specifically targets the blog title field within the settings configuration. This type of vulnerability falls under the category of input validation failures and is classified as CWE-79 according to the Common Weakness Enumeration catalog. The issue manifests when user-supplied input containing malicious script code is accepted and subsequently rendered without proper sanitization or encoding in the blog title setting.
The technical implementation of this vulnerability occurs within the content management system's administrative interface where the blog title parameter is processed. When an attacker submits malicious JavaScript code through the blog title field, the system fails to properly sanitize or escape the input before storing and displaying it. This allows the malicious script to execute in the context of other users' browsers who view the affected page, creating a persistent cross site scripting vector. The vulnerability is particularly concerning because it resides in the settings section where administrators typically have elevated privileges and may be more likely to interact with the affected functionality.
The operational impact of this vulnerability extends beyond simple script execution as it provides attackers with the capability to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or even execute more sophisticated attacks such as credential theft. The attack surface is significant since the settings page is frequently accessed by administrators and authenticated users who may have elevated privileges within the system. This vulnerability can be exploited through various attack vectors including social engineering where an attacker might convince an administrator to visit a maliciously crafted page or through direct exploitation if the attacker has access to the system.
Mitigation strategies for CVE-2024-27558 should focus on implementing robust input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user-provided input before storage and properly encoding output when rendering content in the browser context. Implementing Content Security Policy headers and using frameworks that automatically escape output can significantly reduce the risk of successful exploitation. Additionally, the affected version of Stupid Simple CMS should be updated to the latest release where this vulnerability has been patched. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. The remediation process should include thorough testing to ensure that all input fields are properly validated and that no other similar vulnerabilities exist within the application's codebase. This vulnerability demonstrates the critical importance of proper input sanitization and output encoding practices as recommended in the OWASP Top Ten and aligns with ATT&CK technique T1566 which covers social engineering tactics that can leverage such vulnerabilities to gain unauthorized access to systems.