CVE-2026-32356 in Robo Gallery Plugin
Summary
by MITRE • 03/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in robosoft Robo Gallery robo-gallery allows DOM-Based XSS.This issue affects Robo Gallery: from n/a through <= 5.1.2.
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Analysis
by VulDB Data Team • 03/20/2026
This vulnerability represents a critical cross-site scripting weakness in the robosoft Robo Gallery plugin that enables attackers to execute malicious scripts within the context of legitimate user sessions. The flaw manifests as a DOM-based XSS vulnerability, meaning the malicious payload is executed through manipulation of the Document Object Model rather than traditional server-side input handling. The vulnerability specifically impacts versions of the Robo Gallery plugin ranging from an unspecified beginning version through and including version 5.1.2, creating a substantial attack surface for malicious actors targeting WordPress installations that utilize this gallery plugin.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input parameters that are subsequently incorporated into dynamically generated web page content without proper neutralization. When a user visits a page containing the vulnerable gallery component, the malicious script embedded in the input parameters gets executed within the victim's browser context, potentially allowing attackers to steal session cookies, deface websites, or redirect users to malicious domains. This DOM-based variant is particularly dangerous because it operates entirely within the browser environment, making traditional server-side input validation ineffective against the attack vector. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and demonstrates how improper input handling can create persistent security risks in web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform session hijacking, data exfiltration, and privilege escalation within the context of authenticated users. Attackers can craft malicious URLs that, when visited by administrators or other privileged users, execute scripts that modify gallery configurations, inject malicious content into the site, or establish persistent backdoors. This vulnerability directly maps to several ATT&CK techniques including T1059.007 for scripting and T1566.001 for credential access through social engineering, making it a significant threat to WordPress ecosystem security. The widespread adoption of Robo Gallery plugin across numerous websites amplifies the potential impact, as successful exploitation could compromise multiple sites simultaneously.
Organizations should immediately implement comprehensive mitigation strategies including updating to the latest available version of the Robo Gallery plugin where the vulnerability has been addressed. Additionally, administrators should consider implementing Content Security Policy headers to limit script execution contexts and employ input validation mechanisms that sanitize all user-supplied parameters before they are processed. Network monitoring solutions should be configured to detect suspicious URL patterns and anomalous script execution behaviors. The implementation of Web Application Firewalls can provide an additional layer of protection by filtering malicious requests before they reach the vulnerable application components. Security teams should also conduct thorough penetration testing to identify any potential variants of this vulnerability within their WordPress installations and ensure that all plugins and themes are regularly updated to maintain security posture against evolving threats.