CVE-2021-23209 MEDIUM

CVE-2021-23209: WordPress AMP for WP – Accelerated Mobile Pages plugin <= 1.0.77.32 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities

Vendor Ahmed Kaludi, Mohammed Kaludi
Product AMP for WP – Accelerated Mobile Pages (WordPress plugin)
Weakness CWE-79 · XSS
Published March 18, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).

Explanation of Vulnerability in Simple Terms

02Summary

The AMP for WP plugin contains a stored cross-site scripting (XSS) vulnerability in versions up to 1.0.77.32. An authenticated admin user with high privileges can inject malicious JavaScript that executes in the browsers of other site visitors. The vulnerability requires user interaction and affects the site's integrity and confidentiality.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they view affected pages.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject malware or steal visitor data without your knowledge.

Conditions required to exploit

05Prerequisites

Admin-level access to the WordPress site; victim must visit a page containing the injected script.

Key dates

06Disclosure timeline

March 18, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15665 Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute CVE-2026-65447 WordPress Contest Gallery plugin <= 30.0.6 - Cross Site Scripting (XSS) vulnerability CVE-2026-65764 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Maps 5.0.0-6.1.1 CVE-2026-65762 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Guestbook 5.0.0-6.1.0 CVE-2026-15464 WP Hotel Booking <= 2.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'widget_search' Shortcode Attribute