CVE-2022-4307 in Pardakht DelkhahPlugin
Summary
by MITRE • 01/23/2023
The ?????? ?????? ?????? WordPress plugin before 2.9.3 does not sanitise and escape some parameters, allowing unauthenticated attackers to send a request with XSS payloads, which will be triggered when a high privilege users such as admin visits a page from the plugin.
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Analysis
by VulDB Data Team • 04/02/2025
The vulnerability identified as CVE-2022-4307 affects the WordPress plugin version 2.9.2 and earlier, representing a critical cross-site scripting flaw that exploits improper input validation and output escaping mechanisms. This weakness resides in the plugin's handling of user-supplied parameters within its web interface, creating an avenue for attackers to inject malicious scripts that execute in the context of high-privilege user sessions. The vulnerability specifically targets the plugin's failure to implement proper sanitization procedures for parameters that are subsequently rendered in web pages without adequate escaping mechanisms.
The technical implementation of this vulnerability stems from the plugin's code not properly validating or escaping user input before incorporating it into dynamic web content. When administrators or other high-privilege users navigate to affected pages within the plugin's interface, the stored XSS payloads execute in their browser context, potentially allowing attackers to hijack user sessions, steal sensitive information, or perform unauthorized administrative actions. This type of vulnerability aligns with CWE-79 Cross-site Scripting, which classifies improper neutralization of input during web page generation as a primary weakness leading to XSS attacks. The vulnerability's exploitation requires minimal privileges from attackers since they only need to send a malicious request to the affected system, while the actual execution occurs when legitimate privileged users interact with the compromised plugin functionality.
The operational impact of CVE-2022-4307 extends beyond simple script execution, as it creates a persistent threat vector that can be leveraged for broader compromise of WordPress installations. When administrators visit plugin pages containing the XSS payload, their browsers execute the malicious code with full administrative privileges, potentially enabling attackers to modify plugin settings, access sensitive data, or even install additional malware. This vulnerability particularly affects the ATT&CK technique T1059.007 Command and Scripting Interpreter: JavaScript, where adversaries leverage JavaScript execution capabilities to maintain persistence and escalate privileges within compromised environments. The attack chain typically involves initial compromise through sending malicious requests, followed by successful exploitation when privileged users inadvertently browse to affected plugin pages, creating a dangerous scenario where legitimate administrative activities become attack vectors.
Mitigation strategies for this vulnerability require immediate plugin updates to version 2.9.3 or later, which implements proper input sanitization and output escaping mechanisms. Organizations should also implement additional defensive measures including web application firewall rules that can detect and block suspicious script patterns, regular security auditing of installed plugins, and comprehensive monitoring for unauthorized modifications to plugin files. Security teams should conduct thorough vulnerability assessments to identify any other plugins or components that may exhibit similar sanitization weaknesses. The remediation process should include verifying that all plugin parameters are properly escaped before rendering in HTML contexts and implementing Content Security Policy headers to limit script execution capabilities. Additionally, network segmentation and privileged access controls should be enforced to limit the potential damage from successful exploitation attempts, while regular security training for administrators can help reduce the risk of social engineering attacks that might leverage this vulnerability.