CVE-2018-1002007 in Arigato Autoresponder
Summary
by MITRE
There is a reflected XSS vulnerability in WordPress Arigato Autoresponder and News letter v2.5.1.8 This vulnerability requires administrative privileges to exploit. There is an XSS vulnerability in integration-contact-form.html.php:15: via POST request variable html_id.
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Analysis
by VulDB Data Team • 08/13/2025
The vulnerability identified as CVE-2018-1002007 represents a reflected cross-site scripting flaw within the WordPress Arigato Autoresponder and News letter plugin version 2.5.1.8. This security weakness resides in the integration-contact-form.html.php file at line 15 where POST request variable html_id is processed without adequate input sanitization or output encoding. The vulnerability specifically affects the plugin's contact form integration functionality, making it susceptible to malicious payload injection through web requests.
The technical implementation of this vulnerability stems from improper handling of user-supplied data within the plugin's backend processing logic. When administrators access the contact form integration interface, the html_id parameter from incoming POST requests is directly incorporated into the HTML output without appropriate validation or sanitization measures. This creates a classic reflected XSS scenario where malicious actors can craft specially formatted requests containing script tags or other malicious code that gets executed in the context of authenticated administrator sessions.
The operational impact of this vulnerability is significant given that exploitation requires only administrative privileges, which typically represent the highest level of access within WordPress environments. An attacker with administrative credentials could leverage this vulnerability to execute arbitrary JavaScript code within the administrator's browser session, potentially leading to complete compromise of the WordPress installation. The reflected nature of the vulnerability means that the malicious payload must be delivered via a crafted URL or form submission, making it particularly dangerous in scenarios where administrators might be tricked into clicking malicious links or submitting forms containing the exploit code.
The vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws as weaknesses in web applications that allow attackers to inject client-side scripts into web pages viewed by other users. This particular instance demonstrates poor input validation practices and insufficient output encoding mechanisms that are fundamental requirements for preventing XSS attacks. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communications and privilege escalation, as successful exploitation would allow an attacker to maintain persistent access and potentially escalate privileges further within the compromised WordPress environment.
Mitigation strategies for this vulnerability should include immediate plugin updates to versions that address the reflected XSS flaw, implementing proper input validation and output encoding mechanisms, and conducting thorough security audits of all WordPress plugins. Administrators should also consider implementing web application firewalls to detect and block suspicious requests, and establish monitoring procedures to identify potential exploitation attempts. Regular security assessments of WordPress installations, including vulnerability scanning and code review processes, are essential for maintaining robust security posture against similar reflected XSS vulnerabilities in the broader WordPress ecosystem.