CVE-2024-52422 in WP Githuber MD Plugin
Summary
by MITRE • 11/18/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Terry Lin WP Githuber MD allows Stored XSS.This issue affects WP Githuber MD: from n/a through 1.16.3.
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Analysis
by VulDB Data Team • 02/26/2025
This vulnerability represents a critical security flaw in the WP Githuber MD WordPress plugin that enables stored cross-site scripting attacks through improper input sanitization during web page generation. The weakness allows attackers to inject malicious scripts that persist in the application's database and execute whenever affected pages are rendered to users. The vulnerability specifically manifests in versions prior to 1.16.4 of the plugin, creating a window of opportunity for threat actors to exploit user sessions and potentially escalate privileges within the WordPress environment.
The technical implementation of this flaw stems from inadequate validation and sanitization of user-supplied content that gets stored in the database and later reflected in web pages without proper escaping mechanisms. When users visit pages containing the malicious input, the browser executes the injected scripts in the context of the victim's session, potentially leading to unauthorized actions performed on behalf of the user. This type of vulnerability falls under CWE-79 which specifically addresses Cross-site Scripting flaws in web applications, and aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments.
The operational impact of this vulnerability extends beyond simple script execution as it can enable session hijacking, credential theft, and privilege escalation within the WordPress administration interface. Attackers could potentially modify content, create new administrative users, or even establish backdoors for persistent access to the compromised site. The stored nature of the vulnerability means that once injected, malicious payloads remain active until manually removed or the plugin is updated to a secure version.
Mitigation strategies should prioritize immediate patching of the WP Githuber MD plugin to version 1.16.4 or later, which addresses the input sanitization deficiencies. Administrators should also implement additional security measures including regular security audits of installed plugins, implementing Content Security Policy headers to limit script execution, and monitoring for unusual activity in the plugin's database entries. Network-based protections such as web application firewalls can provide additional layers of defense, though the most effective solution remains the timely application of vendor security patches. Organizations should also consider implementing automated patch management systems to prevent similar vulnerabilities from remaining unaddressed in their WordPress environments.