CVE-2022-2181 in Advanced Reset Plugin
Summary
by MITRE • 08/01/2022
The Advanced WordPress Reset WordPress plugin before 1.6 does not escape some generated URLs before outputting them back in href attributes of admin dashboard pages, leading to Reflected Cross-Site Scripting
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Analysis
by VulDB Data Team • 08/29/2022
The vulnerability identified as CVE-2022-2181 affects the Advanced WordPress Reset plugin version 1.6 and earlier, representing a critical security flaw that exposes WordPress administrators to reflected cross-site scripting attacks. This issue specifically manifests within the plugin's handling of URL generation and output within the WordPress admin dashboard environment. The vulnerability stems from inadequate input sanitization and output escaping mechanisms within the plugin's codebase, creating a pathway for malicious actors to inject malicious scripts into administrative interfaces.
The technical flaw occurs when the plugin generates dynamic URLs for various administrative functions and fails to properly escape these URLs before embedding them within href attributes of HTML elements displayed in admin dashboard pages. This improper handling allows attackers to craft malicious URLs containing script payloads that get executed when administrators click on links or navigate through the plugin's interface. The reflected nature of this vulnerability means that the malicious script code is reflected back from the web server to the user's browser, making it particularly dangerous in targeted attacks. The vulnerability directly maps to CWE-79 which defines Cross-Site Scripting as the injection of malicious code into web applications, and aligns with ATT&CK technique T1566.001 which covers social engineering through malicious links and web content.
The operational impact of this vulnerability is severe for WordPress administrators who use the affected plugin, as it provides attackers with a direct vector to compromise administrator sessions and potentially gain full control over the WordPress installation. When administrators click on maliciously crafted links within the plugin's interface, the reflected scripts execute in their browser context with the privileges of the logged-in administrator. This could lead to unauthorized modifications of website content, data exfiltration, privilege escalation, and potentially complete compromise of the WordPress environment. The vulnerability is particularly concerning because it leverages the trust relationship between administrators and the plugin interface, making it difficult for administrators to distinguish between legitimate and malicious content.
Mitigation strategies for this vulnerability primarily focus on immediate remediation through plugin updates to version 1.6 or later, where the escaping mechanisms have been properly implemented. System administrators should also consider implementing additional security measures including regular security audits of installed plugins, monitoring for unusual administrative activities, and deploying web application firewalls that can detect and block XSS attack patterns. The WordPress security team recommends that administrators review their plugin installations regularly and ensure all third-party components are kept up to date with the latest security patches. Additionally, implementing Content Security Policy headers can provide an additional layer of defense against reflected XSS attacks by restricting the sources from which scripts can be executed within the browser context. Organizations should also consider implementing security awareness training for administrators to recognize potential phishing attempts that might exploit this vulnerability.