CVE-2026-40734 MEDIUM

CVE-2026-40734: WordPress Categories Images plugin <= 3.3.1 - Cross Site Scripting (XSS) vulnerability

Vendor Zahlan
Product Categories Images
Weakness CWE-79 · XSS
Published April 15, 2026
Last update April 29, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Zahlan Categories Images categories-images allows DOM-Based XSS.This issue affects Categories Images: from n/a through <= 3.3.1.

Explanation of Vulnerability in Simple Terms

02Summary

Categories Images versions 3.3.1 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site visitors across different security contexts.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users can compromise other users' sessions and data; site reputation and visitor trust at risk.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must visit a page containing the injected script.

Key dates

06Disclosure timeline

April 15, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE