What the vulnerability does
01Description
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.
Explanation of Vulnerability in Simple Terms
02Summary
Listeo Core versions up to 2.0.19 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users if the injected content is stored. This impacts confidentiality, integrity, and availability of the affected site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in users' browsers and steal session data, redirect to phishing sites, or deface content.
Potential impact on your site
04Site Impact
Users visiting crafted links may have their sessions hijacked, credentials stolen, or be redirected to malicious sites; site reputation damaged.
Conditions required to exploit
05Prerequisites
Attacker must craft a malicious link or payload and trick a user into clicking it or visiting a compromised page.
Key dates
06Disclosure timeline
January 8, 2026
CVE published
April 28, 2026
Record updated