CVE-2026-4072
Received Received - Intake
Stored XSS in WordPress PayPal Donation Plugin Allows Script Injection

Publication date: 2026-03-21

Last updated on: 2026-03-21

Assigner: Wordfence

Description
The WordPress PayPal Donation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'donate' shortcode in all versions up to, and including, 1.01. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes such as 'amount', 'email', 'title', 'return_url', 'cancel_url', 'ccode', and 'image'. The wordpress_paypal_donation_create() function uses extract(shortcode_atts(...)) to process shortcode attributes and then directly interpolates these values into HTML output within single-quoted attribute values without any 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
Probability:
Percentile:
Meta Information
Published
2026-03-21
Last Modified
2026-03-21
Generated
2026-06-16
AI Q&A
2026-03-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4072
EUVD
EUVD-2026-14177
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wordfence wordpress_paypal_donation to 1.01 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
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
AI Quick Actions
Instant insights powered by AI
Executive Summary

The WordPress PayPal Donation plugin is vulnerable to Stored Cross-Site Scripting (XSS) through its 'donate' shortcode in all versions up to and including 1.01. This happens because the plugin does not properly sanitize or escape user-supplied shortcode attributes such as 'amount', 'email', 'title', 'return_url', 'cancel_url', 'ccode', and 'image'. The function wordpress_paypal_donation_create() uses extract(shortcode_atts(...)) to handle these attributes and then inserts them directly into HTML output within single-quoted attribute values without escaping. As a result, authenticated users with Contributor-level access or higher can inject malicious scripts that execute whenever someone views the affected page.

Impact Analysis

This vulnerability allows attackers with Contributor-level access or higher to inject arbitrary malicious scripts into pages using the PayPal Donation plugin. These scripts can execute in the browsers of users who visit the infected pages, potentially leading to theft of user credentials, session hijacking, defacement, or other malicious actions. Because the vulnerability is a Stored Cross-Site Scripting issue, the injected scripts persist on the site and affect all visitors to the compromised pages.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-4072. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart