CVE-2026-8354

Received Received - Intake

Stored XSS in Gum Addon for Elementor WordPress Plugin

Publication date: 2026-09-19

Last updated on: 2026-09-19

Assigner: Wordfence

Description

The Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-19

Last Modified

2026-09-19

Generated

2026-09-20

AI Q&A

2026-09-20

EPSS Evaluated

N/A

NVD

CVE-2026-8354

Affected Vendors & Products

Vendor	Product	Version / Range
gum_addon	elementor	to 1.3.15 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the Gum Addon for Elementor WordPress plugin. It allows authenticated attackers with contributor-level access or higher to inject malicious scripts via the 'pop_tag' parameter. The issue arises due to insufficient input sanitization and output escaping in versions up to 1.3.15.

Impact Analysis

An attacker could inject malicious scripts into pages you view, potentially stealing cookies, session tokens, or other sensitive data. It may also allow unauthorized actions on your behalf if you are logged into the WordPress site.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection principles or HIPAA's security requirements for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Update the Gum Addon for Elementor plugin to the latest version beyond 1.3.15 to address the Stored Cross-Site Scripting vulnerability. Remove or restrict contributor-level access to untrusted users to limit attack vectors.

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