CVE-2025-69320 in Grand Magazine Plugin
Summary
by MITRE • 01/22/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGoods Grand Magazine grandmagazine allows Reflected XSS.This issue affects Grand Magazine: from n/a through <= 3.5.7.
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Analysis
by VulDB Data Team • 01/22/2026
The vulnerability identified as CVE-2025-69320 represents a critical cross-site scripting flaw within the ThemeGoods Grand Magazine WordPress theme, specifically impacting versions ranging from the initial release through version 3.5.7. This reflected XSS vulnerability occurs during the web page generation process when user input is improperly handled, creating an avenue for malicious actors to inject executable scripts into web pages viewed by other users. The flaw resides in the theme's failure to adequately sanitize or escape user-supplied data before incorporating it into dynamically generated web content, thereby violating fundamental web security principles.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the Grand Magazine theme's codebase. When users interact with the theme's web pages, particularly through parameters or form fields that are not properly sanitized, malicious scripts can be injected and subsequently executed in the context of other users' browsers. This reflected nature means that the malicious script is not stored on the server but is instead reflected back to the user through the web application's response, typically via URL parameters or form submissions. The vulnerability operates under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic example of how inadequate data sanitization can lead to severe security consequences.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it provides attackers with the capability to execute arbitrary code within users' browsers, potentially leading to complete compromise of affected systems. Attackers can exploit this weakness to steal cookies, session tokens, or other sensitive information from authenticated users, while also enabling them to perform actions on behalf of victims within the context of the vulnerable application. The reflected nature of the attack means that users must be tricked into clicking malicious links, making social engineering a critical component of successful exploitation. This vulnerability affects the entire user base of the affected theme versions, creating a widespread security risk for websites utilizing the Grand Magazine theme.
Mitigation strategies for this vulnerability should focus on immediate remediation through theme updates to version 3.5.8 or later, which should contain the necessary patches to address the XSS flaw. Organizations should also implement additional defensive measures including input validation at multiple layers, output encoding for all dynamic content, and the implementation of Content Security Policies to limit the execution of unauthorized scripts. Security professionals should conduct thorough penetration testing and vulnerability assessments to identify any potential exploitation attempts or related vulnerabilities within the affected systems. The remediation process should also include monitoring for any signs of exploitation attempts and implementing web application firewalls to detect and block malicious traffic patterns associated with XSS attacks. This vulnerability underscores the importance of maintaining up-to-date software components and following secure coding practices as outlined in the ATT&CK framework's web application security domain, particularly focusing on mitigating injection vulnerabilities that can lead to more severe compromise scenarios.