A Cross-site Scripting (XSS) vulnerability has been identified in the AddFunc Mobile Detect plugin. Specifically, this vulnerability allows for stored XSS attacks, which can severely impact web applications by enabling attackers to execute arbitrary scripts in the context of the user's session. This vulnerability is classified as medium severity, with a CVSS score of 6.5, indicating a potential risk that organizations should not overlook.
The vulnerability affects versions of the AddFunc Mobile Detect plugin up to 3.1, and organizations using this plugin are urged to take immediate action to mitigate the risk. Given the nature of XSS vulnerabilities, the potential impact on users can lead to unauthorized actions being performed in their context, which could result in data theft, session hijacking, or other malicious activities.
Currently, there are no known exploits or public proofs of concept for this vulnerability, but the risk remains significant due to the nature of XSS attacks. Organizations should prioritize patching immediately to protect their web applications and users.
As part of a robust security posture, organizations are encouraged to regularly review and update their plugins and third-party components, ensuring they are running the latest, most secure versions to minimize vulnerabilities.
Vulnerability Details
This vulnerability allows for improper neutralization of input during web page generation, specifically classified under CWE-79. The CVSS 3.1 vector indicates that the attack vector is network-based, the attack complexity is low, and it requires low privileges with user interaction. The confidentiality, integrity, and availability impacts are all classified as low.
Technical Analysis
The root cause of this vulnerability lies in inadequate input validation within the AddFunc Mobile Detect plugin, which fails to properly handle user inputs that are rendered in web pages. Attackers can exploit this vulnerability by injecting malicious scripts into input fields that are subsequently stored and served to other users.
The attack vector is network-based, meaning that an attacker does not need physical access to the system to exploit this vulnerability. The attack complexity is low; hence, attackers with basic skills can leverage this flaw. Privileges required are low, allowing any user to initiate the attack, and user interaction is required, as the victim must interact with the compromised content.
The impacts of a successful attack include the potential disclosure of confidential information, alteration of data integrity, and disruption of service availability, although all impacts are rated as low in severity.
Risk & Impact Analysis
Risk to organizations includes the possibility of unauthorized script execution within user sessions, leading to potential data breaches and loss of user trust. The medium severity of this vulnerability necessitates that organizations address it in their priority patch cycle. Given the nature of XSS attacks, the blast radius can extend to all users interacting with the affected web application.
Organizations should consider implementing additional security measures, such as web application firewalls (WAFs) and Content Security Policies (CSPs), to further mitigate the risks associated with XSS vulnerabilities. Regular security assessments and penetration testing can also help identify and remediate potential weaknesses in web applications.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of AddFunc Mobile Detect prior to and including 3.1 are affected by this vulnerability. Organizations should review their systems to identify and update any installations of this plugin.
Mitigation & Remediation
Organizations should apply the latest patches to the AddFunc Mobile Detect plugin to remediate this vulnerability. If an immediate patch is not available, workarounds may include disabling the plugin or implementing input validation to sanitize user inputs. Moreover, security configurations such as web application firewalls can provide an additional layer of protection.
For further details on securing web applications against XSS vulnerabilities, organizations may refer to their security frameworks or consider consulting with security experts.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor their web application logs for unusual patterns or behaviors indicative of XSS attacks. Additionally, security teams should be vigilant for any unauthorized changes to user inputs and monitor network traffic for suspicious activities.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in the ongoing threat of XSS attacks within web applications. Security teams should learn from this incident and enhance their application security measures to prevent similar vulnerabilities in the future. Regular security assessments and updated security training for developers are crucial in reinforcing the security posture of organizations.
As part of strategic defensive takeaways, organizations must prioritize continuous security testing and maintain an updated inventory of all third-party components used within their applications. This proactive approach helps in identifying vulnerabilities before they can be exploited.
For detailed guidelines on vulnerability management and security testing best practices, organizations can refer to resources such as vulnerability management programs and penetration testing methodologies to enhance their security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

.webp)