CVE-2021-36901 MEDIUM

CVE-2021-36901: WordPress Age Gate plugin <= 2.17.0 - Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability

Vendor Phil Baker
Product Age Gate (WordPress plugin)
Weakness CWE-79 · XSS
Published June 15, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

6.1/10
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:N

What the vulnerability does

01Description

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability in Phil Baker's Age Gate plugin <= 2.17.0 at WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

The Age Gate WordPress plugin version 2.17.0 and earlier contains a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious JavaScript that executes in the browsers of site visitors. The vulnerability affects the plugin's handling of user input, allowing script injection through the plugin's interface. Site administrators should update to a version newer than 2.17.0.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers and steals session cookies or redirect users to phishing sites.

Potential impact on your site

04Site Impact

Visitor accounts and data at risk; site reputation damaged if used for phishing or malware distribution.

Conditions required to exploit

05Prerequisites

A site visitor must view a page containing the attacker's injected payload; no special authentication required.

Key dates

06Disclosure timeline

June 15, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-17162 WowStore <= 4.4.24 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'currentPostId' Block Attribute CVE-2026-15950 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'layoutCircle.alignment' Block Attribute CVE-2026-15653 Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter CVE-2026-15425 Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name) CVE-2026-15016 Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions <= 3.8.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting