CVE-2026-94103 in RooCMS
Summary
by MITRE • 09/21/2026
A vulnerability has been found in RooCMS up to 1.2.2/1.3.4/1.4RC2. This impacts the function eval of the file roocms/site_pagePHP.php of the component Frontend Rendering. Such manipulation of the argument content leads to code injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 09/21/2026
The identified vulnerability resides within RooCMS, specifically affecting versions up through 1.2.2, 1.3.4, and the release candidate 1.4RC2. This security flaw is located in the Frontend Rendering component, precisely within the file roocms/site_pagePHP.php. The core issue stems from a critical implementation error where the eval function is utilized to process user-supplied input without adequate sanitization or validation mechanisms. When an attacker manipulates the content argument passed to this function, they can inject arbitrary PHP code into the application's execution context. This type of flaw represents a classic instance of improper neutralization of special elements used in an OS command, commonly categorized under CWE-78: Improper Neutralization of Special Elements used in an OS Command or CWE-94: Improper Control of Generation of Code (Code Injection). The severity of this vulnerability is heightened by the fact that it allows for remote code execution, meaning a threat actor does not need local access to exploit it.
The operational impact of this vulnerability is severe and potentially catastrophic for any system running an affected version of RooCMS. Because the flaw enables arbitrary code injection via the eval function, an attacker can execute commands with the same privileges as the web server process. This typically grants full control over the underlying operating system, allowing the extraction of sensitive data such as database credentials, user personal information, and proprietary business logic. Furthermore, the compromised server can be used as a pivot point to launch attacks against other systems within the network infrastructure. The presence of publicly disclosed exploits significantly lowers the barrier to entry for attackers, enabling even those with limited technical expertise to compromise vulnerable instances. This widespread availability of exploit code increases the likelihood of automated scanning and opportunistic attacks targeting unpatched deployments across the internet.
From a threat intelligence perspective, this vulnerability aligns with several techniques in the MITRE ATT&CK framework. The initial access phase is facilitated by Remote Code Execution (T1059), specifically through command scripting interpretation via PHP. Once inside, attackers may leverage Command and Scripting Interpreter capabilities to maintain persistence or escalate privileges. The lack of vendor response further exacerbates the risk profile, as organizations relying on this software are left without official patches or guidance for remediation. This situation underscores the importance of proactive vulnerability management and the risks associated with open-source projects that do not maintain active security support channels.
To mitigate these risks, immediate action is required from system administrators and developers utilizing RooCMS. The most effective mitigation strategy is to upgrade to a patched version if one becomes available in future releases, although given the vendor's non-response, this may not be immediately feasible. In the interim, organizations should implement strict input validation and output encoding for all user-supplied data before it reaches any dynamic code execution functions. It is critical to avoid using eval or similar high-risk functions with unsanitized inputs entirely; instead, developers should refactor the code to use safer alternatives that do not interpret strings as executable code. Additionally, deploying a Web Application Firewall can provide an additional layer of defense by filtering out malicious payloads attempting to exploit this injection point. Network segmentation and strict file permission settings can also limit the blast radius in case of a successful compromise, ensuring that even if code execution occurs, the attacker's ability to move laterally or access critical data is restricted. Regular security audits and static application security testing should be integrated into the development lifecycle to detect such dangerous coding patterns before deployment.