CVE-2020-36709 MEDIUM

CVE-2020-36709: Page Builder: KingComposer < 2.9.4 - Stored Cross-Site Scripting

Vendor Kingthemes
Product Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme
Weakness CWE-79 · XSS
Published June 7, 2023
Last update April 8, 2026

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Key dates

02Disclosure timeline

June 7, 2023 CVE published
April 8, 2026 Record updated