CVE-2025-67932 in Listeo Core Plugin
Summary
by MITRE • 01/08/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in purethemes Listeo Core listeo-core allows Reflected XSS.This issue affects Listeo Core: from n/a through < 2.0.19.
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Analysis
by VulDB Data Team • 01/08/2026
The vulnerability identified as CVE-2025-67932 represents a critical cross-site scripting flaw within the purethemes Listeo Core listeo-core web application framework. This weakness specifically manifests during the web page generation process where input validation mechanisms fail to properly sanitize user-supplied data before incorporating it into dynamically generated web content. The vulnerability falls under the well-established category of reflected cross-site scripting as defined by CWE-79, which occurs when malicious scripts are reflected off a web server to a victim's browser through manipulated input parameters. The affected version range indicates that all versions prior to 2.0.19 remain vulnerable, suggesting this flaw has existed for an extended period within the software lifecycle.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input that gets reflected back to users through the web application's response without proper sanitization or encoding. This reflected XSS attack vector typically involves embedding malicious script code within URL parameters or form inputs that are then echoed back to the victim's browser context. The impact extends beyond simple script execution as it can enable attackers to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites. The vulnerability's classification aligns with ATT&CK technique T1566.001 which describes phishing with malicious attachments or links, where reflected XSS serves as a primary delivery mechanism for malicious payloads.
From an operational standpoint, this vulnerability poses significant risks to both end-users and system administrators. Attackers can leverage the reflected XSS to hijack user sessions, particularly if the application handles authentication tokens or session identifiers in the reflected content. The attack requires minimal technical expertise to execute successfully, making it particularly dangerous in environments where users may encounter untrusted web content. The vulnerability's presence in the core framework suggests that any web application utilizing the Listeo Core components would be susceptible to this attack vector, potentially affecting multiple websites simultaneously.
Security mitigations for this vulnerability should prioritize immediate implementation of proper input sanitization and output encoding mechanisms. The most effective approach involves implementing comprehensive input validation that strips or encodes potentially dangerous characters before processing user data, combined with proper output encoding that ensures any reflected content is treated as data rather than executable code. Organizations should also implement Content Security Policy headers to add an additional layer of protection against XSS attacks. The recommended solution aligns with OWASP Top 10 security practices and specifically addresses the remediation strategies outlined for CWE-79. Version 2.0.19 and subsequent releases should be deployed immediately to address this vulnerability, as the patch likely includes proper sanitization routines and input validation controls that prevent the reflection of malicious scripts back to user browsers.