CVE-2025-32185 in Colibri Page Builder Plugin
Summary
by MITRE • 04/04/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder allows Stored XSS. This issue affects Colibri Page Builder: from n/a through 1.0.319.
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Analysis
by VulDB Data Team • 01/07/2026
The vulnerability identified as CVE-2025-32185 represents a critical cross-site scripting flaw within the Extend Themes Colibri Page Builder plugin, specifically impacting versions ranging from an unspecified starting point through 1.0.319. This weakness falls under the well-established CWE-79 category of Cross-Site Scripting, which occurs when web applications fail to properly sanitize user input before incorporating it into dynamically generated web pages. The vulnerability enables attackers to inject malicious scripts that execute in the context of other users' browsers, creating a persistent security risk for website administrators and visitors alike.
The technical implementation of this stored XSS vulnerability stems from inadequate input validation and sanitization mechanisms within the Colibri Page Builder's web page generation processes. When users submit content through the plugin's interface, the system fails to adequately neutralize potentially malicious input before storing and rendering it on web pages. This allows attackers to embed malicious JavaScript code within page elements, which then executes whenever other users view the affected pages. The stored nature of this vulnerability means that the malicious payloads persist in the application's database, making them particularly dangerous as they can affect multiple users over extended periods without requiring repeated exploitation attempts.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and redirection to malicious sites. Attackers can leverage this weakness to gain unauthorized access to user accounts, steal sensitive information, or manipulate website content to serve as a platform for further attacks. The vulnerability affects the entire user base of affected installations, as any legitimate user who views pages containing the stored malicious content becomes a potential victim. This makes the impact particularly severe for websites that rely heavily on user-generated content or have multiple administrators with varying levels of access privileges.
Mitigation strategies for CVE-2025-32185 should prioritize immediate patching of affected versions, with administrators upgrading to the latest available release that addresses the XSS vulnerability. Organizations should implement comprehensive input sanitization measures, including the adoption of Content Security Policy headers to limit script execution, and regular security audits of user input handling mechanisms. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious content and T1059.001 for command and control through script injection. Additionally, implementing web application firewalls and monitoring for suspicious input patterns can provide additional defense layers while awaiting official patches. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other web applications and plugins within the organization's attack surface.