CVE-2026-107048 in MotionCreative
Summary
by MITRE • 10/29/2026
An issue in the WebView rendering path component of MotionCreative Motion UI versionCode 101 allows attackers to execute arbitrary code via supplying a crafted POST request.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 10/29/2026
The vulnerability identified in MotionCreative Motion UI, specifically within the WebView rendering path component for application version Code 101, represents a critical security flaw that compromises the integrity of mobile applications relying on this library. This issue stems from an improper handling of input data processed through the Android WebView interface, which is commonly used to render web content within native app environments. The core technical deficiency lies in the insufficient validation and sanitization of HTTP POST request parameters before they are passed to or executed by the underlying JavaScript engine embedded within the WebView context. When a malicious actor supplies a specially crafted POST request containing executable script payloads or obfuscated code sequences, the application fails to filter out these dangerous inputs effectively. This lack of rigorous input verification allows arbitrary commands to be injected into the execution environment, bypassing standard security controls that are typically expected in secure coding practices for hybrid applications.
From an operational perspective, this vulnerability enables remote code execution (RCE) with the privileges granted to the application process. If the targeted Android application holds sensitive permissions such as access to external storage, contacts, or network credentials, the attacker can leverage the executed arbitrary code to exfiltrate user data, install additional malware, or take control of the device session. The impact is particularly severe because WebView vulnerabilities often allow attackers to bridge the gap between web-based attack vectors and native system capabilities. By exploiting this flaw, an adversary could potentially access private application directories, intercept secure communications, or manipulate local database contents, leading to significant confidentiality and integrity breaches for end-users who trust the application with their personal information.
This vulnerability aligns closely with Common Weakness Enumeration (CWE) identifiers such as CWE-94 Improper Control of Generation of Code ('Code Injection') and CWE-79 Cross-site Scripting if the context involves client-side script execution within a web view that is not properly sandboxed. Furthermore, in terms of tactical classification under the MITRE ATT&CK framework for mobile platforms, this exploit technique corresponds to T1059 Command and Scripting Interpreter, specifically where an attacker uses scripts or commands to execute actions on the target system. The attack vector typically involves a remote component (CWE-78) if the crafted POST request is delivered via a network service or malicious webpage hosted by the adversary, allowing for non-local exploitation without requiring physical access to the device.
Mitigation strategies must focus on hardening the WebView configuration and enforcing strict input validation protocols. Developers should disable JavaScript execution in WebViews unless absolutely necessary, as this significantly reduces the attack surface for code injection attacks. If JavaScript is required, it must be isolated using a secure sandboxing mechanism, such as setting appropriate flags to prevent access to native Android interfaces from within the web context. Additionally, implementing Content Security Policy (CSP) headers can restrict the sources of executable scripts and resources that the WebView loads, thereby preventing the execution of unauthorized code injected via POST parameters. Input validation should be enforced at multiple layers, ensuring that all data received through HTTP requests is sanitized against known injection patterns before being processed by any rendering engine or database query mechanism. Regular security audits and static application security testing (SAST) focused on web view configurations are essential to detect and remediate such flaws in future releases of the Motion UI library.