CVE-2024-37275 in NextScripts Plugin
Summary
by MITRE • 07/22/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NextScripts NextScripts social-networks-auto-poster-facebook-twitter-g allows DOM-Based XSS.This issue affects NextScripts: from n/a through <= 4.4.7.
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Analysis
by VulDB Data Team • 04/02/2026
This vulnerability represents a critical cross-site scripting weakness in the NextScripts social-networks-auto-poster-facebook-twitter plugin, specifically manifesting as a DOM-based XSS flaw that enables attackers to inject malicious scripts into web pages. The vulnerability stems from inadequate input sanitization during the dynamic generation of web content, allowing malicious actors to manipulate the document object model through crafted user inputs. The affected version range spans from the initial release through version 4.4.7, indicating this weakness has persisted across multiple iterations of the plugin. This type of vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation as a primary weakness leading to XSS attacks. The DOM-based nature of this vulnerability means that the malicious script executes within the victim's browser context without being sent to the server, making it particularly challenging to detect and prevent through traditional server-side security measures.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform session hijacking, deface websites, steal sensitive user data, or redirect victims to malicious domains. Attackers can exploit this weakness by crafting specially formatted inputs that get processed by the plugin's JavaScript code and subsequently executed within the user's browser environment. The vulnerability's presence in the social networking auto-poster functionality suggests that it could be triggered through user interactions with social media posting features, potentially allowing attackers to compromise user sessions or inject malicious content into social media posts. This creates a significant risk for organizations relying on the plugin for automated social media management, as compromised user sessions could lead to unauthorized access to social media accounts and potential data breaches.
Security professionals should consider this vulnerability in the context of the ATT&CK framework under the T1059.007 technique for command and script injection, specifically targeting the DOM manipulation aspect of the attack vector. The vulnerability's persistence across multiple versions indicates a fundamental flaw in the plugin's input handling mechanisms that requires immediate attention. Organizations using affected versions should prioritize patching or implementing temporary mitigations such as input validation, output encoding, and Content Security Policy enforcement. The remediation approach should focus on implementing proper sanitization of all user-provided inputs before they are processed by the plugin's JavaScript components. Additionally, administrators should consider monitoring for suspicious user activities and implementing web application firewalls to detect and block potential exploitation attempts. The vulnerability demonstrates the importance of comprehensive security testing including dynamic analysis and security code reviews to identify and remediate such flaws before they can be exploited in real-world scenarios.