CVE-2022-45837 in 微信机器人高级版 Plugin
Summary
by MITRE • 04/25/2023
Reflected Cross-Site Scripting (XSS) vulnerability in Denis ???????? plugin <= 6.0.1 versions.
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Analysis
by VulDB Data Team • 06/04/2026
A reflected cross-site scripting vulnerability has been identified in the Denis plugin version 6.0.1 and earlier, presenting a significant security risk to WordPress installations. This vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting flaws in web applications. The issue occurs when user input is not properly sanitized or validated before being reflected back to the user's browser, allowing malicious actors to inject arbitrary JavaScript code into web pages viewed by other users.
The technical flaw manifests when the plugin fails to adequately escape or filter user-supplied parameters that are subsequently output in web responses. Attackers can craft malicious URLs containing crafted script payloads that, when executed by victim browsers, can perform unauthorized actions on behalf of the user. This type of vulnerability enables attackers to steal session cookies, perform actions with user privileges, or redirect users to malicious websites. The reflected nature of the vulnerability means that the malicious script is reflected off the web server rather than being stored on the server, making it particularly challenging to detect and prevent.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged for more sophisticated attacks within the context of the target application. According to ATT&CK framework, this vulnerability maps to T1566.001 (Phishing via Social Media) and T1584.002 (Compromise of Cloud Accounts) when combined with other attack vectors. The vulnerability affects WordPress sites using the affected plugin version, potentially compromising user sessions and enabling unauthorized access to administrative functions. Organizations running these vulnerable versions face risks of data theft, privilege escalation, and potential complete system compromise if attackers can leverage additional vulnerabilities.
Mitigation strategies should include immediate patching to version 6.0.2 or later, which contains the necessary fixes for this vulnerability. Additionally, administrators should implement proper input validation and output escaping mechanisms, as recommended by the OWASP Top Ten project. Network-level protections such as web application firewalls can provide additional defense-in-depth, though they should not be relied upon as the sole mitigation. Regular security audits and monitoring of plugin versions are essential practices to prevent exploitation of known vulnerabilities. Organizations should also consider implementing Content Security Policy headers to limit the execution of unauthorized scripts in browser contexts, providing an additional layer of protection against reflected XSS attacks.