CVE-2026-65475 in Modula Image Gallery Plugin
Summary
by MITRE • 07/23/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Modula Image Gallery allows Stored XSS.
This issue affects Modula Image Gallery: from 2.14.25 through 2.14.30.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability under discussion represents a critical cross-site scripting weakness that resides within the WP Chill Modula Image Gallery plugin, specifically impacting versions ranging from 2.14.25 through 2.14.30. This flaw manifests as an improper neutralization of input during web page generation, creating a pathway for malicious actors to inject persistent scripts into web pages viewed by other users. The vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting attacks where input data is not adequately sanitized before being rendered in web contexts.
The technical implementation of this vulnerability occurs when user-supplied data enters the application through input vectors such as image captions, descriptions, or metadata fields within the Modula gallery plugin. When this unvalidated input is subsequently processed and displayed without proper sanitization measures, it allows attackers to embed malicious javascript code that persists in the database and executes whenever affected pages are loaded. The stored nature of this vulnerability means that once injected, the malicious payload remains active until manually removed from the database, making it particularly dangerous for websites that frequently update their content or have multiple administrators.
From an operational perspective, this vulnerability creates significant risk for WordPress sites utilizing the Modula Image Gallery plugin, as it enables attackers to perform various malicious activities including session hijacking, credential theft, redirection to malicious sites, and data exfiltration. The impact extends beyond individual user sessions to potentially compromise entire websites, especially when the plugin is used in conjunction with other vulnerable components or when administrators have elevated privileges. Attackers can exploit this weakness to gain unauthorized access to administrative panels, modify content, or establish persistent backdoors within affected systems, making it a particularly concerning security flaw that aligns with tactics documented in the ATT&CK framework under web application attacks and credential access techniques.
The remediation approach requires immediate patching of the Modula Image Gallery plugin to version 2.14.31 or later, which contains the necessary fixes for input validation and sanitization routines. System administrators should also implement additional defensive measures including regular security audits of plugin installations, monitoring for unauthorized modifications to gallery content, and implementing web application firewalls that can detect and block suspicious script injection attempts. Organizations should consider implementing content security policies that restrict script execution and maintain comprehensive backup procedures to ensure rapid recovery in case of successful exploitation. The vulnerability demonstrates the critical importance of proper input validation and output encoding practices as outlined in OWASP's top ten security risks, emphasizing that even seemingly benign plugins can create substantial attack surfaces when inadequate sanitization controls are implemented.