CVE-2022-3137 : Vulnerability Insights and Analysis
Learn about CVE-2022-3137, a vulnerability in Taskbuilder WordPress plugin allowing attackers to perform Stored Cross-Site Scripting. Find mitigation steps and update information.
TaskBuilder < 1.0.8 - Subscriber+ Stored XSS via SVG file upload
Understanding CVE-2022-3137
This CVE refers to a vulnerability in the Taskbuilder WordPress plugin before version 1.0.8, allowing authenticated users to execute Stored Cross-Site Scripting (XSS) attacks by attaching a malicious SVG file.
What is CVE-2022-3137?
The Taskbuilder WordPress plugin version less than 1.0.8 lacks proper validation and sanitization of task attachments, enabling authenticated users like subscribers to upload a malicious SVG file, leading to Stored XSS attacks.
The Impact of CVE-2022-3137
The vulnerability could be exploited by authenticated subscribers to inject and execute malicious scripts into the plugin, potentially leading to unauthorized actions on the affected WordPress website.
Technical Details of CVE-2022-3137
Vulnerability Description
The vulnerability arises from the lack of proper input validation in the Taskbuilder WordPress plugin, allowing attackers to upload SVG files with malicious scripts, which are then executed in the context of other users.
Affected Systems and Versions
The affected system is the Taskbuilder – WordPress Project & Task Management plugin with versions less than 1.0.8. Specifically, any installation running a version older than 1.0.8 is susceptible to this security flaw.
Exploitation Mechanism
By exploiting this vulnerability, authenticated users, particularly subscribers, can upload a specially crafted SVG file that contains malicious scripts. When this file is attached to a task, the scripts execute in the context of other users, leading to cross-site scripting attacks.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to update their Taskbuilder WordPress plugin to version 1.0.8 or newer to mitigate the vulnerability. Additionally, they should review and sanitize all existing task attachments to remove any potentially harmful files.
Long-Term Security Practices
To enhance security, website administrators should regularly monitor for plugin updates, implement proper input validation mechanisms, and educate users about safe file uploading practices to prevent similar attacks in the future.
Patching and Updates
The plugin vendor has released version 1.0.8, which includes fixes for this vulnerability. It is crucial for affected users to promptly apply this update to protect their WordPress installations from potential exploitation.