CVE-2025-26542
Published: 26 March 2025
Description
Adversaries may abuse various implementations of JavaScript for execution.
Security Summary
CVE-2025-26542 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the Zalo Live Chat WordPress plugin developed by Dang Ngoc Binh. The issue affects all versions of the zalo-live-chat plugin from n/a through 1.1.0 inclusive. Published on 2025-03-26, it carries a CVSS v3.1 base score of 7.1.
Attackers can exploit this vulnerability remotely over the network (AV:N) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction (UI:R), and it results in a changed scope (S:C) with low impacts to confidentiality, integrity, and availability (C:L/I:L/A:L). A remote unauthenticated attacker could craft malicious input that, when reflected in a web page and interacted with by a user (such as via a phishing link), executes arbitrary JavaScript in the victim's browser context.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/zalo-live-chat/vulnerability/wordpress-zalo-live-chat-plugin-1-1-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
Details
- CWE(s)
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables exploitation of the web application (T1190) to execute arbitrary JavaScript in the browser (T1059.007) via crafted malicious links.