CVE-2026-39712 MEDIUM

CVE-2026-39712: WordPress tagDiv Composer plugin <= 5.4.3 - Arbitrary Shortcode Execution vulnerability

Vendor Tagdiv
Product tagDiv Composer
Weakness CWE-80 · XSS · basic
Published April 8, 2026
Last update April 29, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in tagDiv tagDiv Composer td-composer allows Code Injection.This issue affects tagDiv Composer: from n/a through <= 5.4.3.

Explanation of Vulnerability in Simple Terms

02Summary

tagDiv Composer versions up to 5.4.3 contain an improper input validation flaw that allows unauthenticated attackers to read sensitive information over the network. The vulnerability requires no user interaction and can be exploited remotely. Site administrators should update to a version newer than 5.4.3 to mitigate exposure.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the site without authentication.

Potential impact on your site

04Site Impact

Confidential data may be exposed to unauthenticated visitors without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE