CVE-2025-53423 HIGH

CVE-2025-53423: WordPress Triss theme <= 2.6 - Cross Site Scripting (XSS) vulnerability

Vendor Designthemes
Product Triss
Weakness CWE-79 · XSS
Published October 22, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in designthemes Triss triss allows Reflected XSS.This issue affects Triss: from n/a through <= 2.6.

Explanation of Vulnerability in Simple Terms

02Summary

Triss versions 2.6 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects the scope beyond the vulnerable component.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data, credentials, or deface the site.

Potential impact on your site

04Site Impact

Site visitors can be compromised through malicious links; attackers may steal user sessions, credentials, or modify page content seen by victims.

Conditions required to exploit

05Prerequisites

The attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated