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CVE-2026-4072

MEDIUM 6.4 CVSS 3.1
Published
March 21, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • tstachl WordPress PayPal Donation — Up to and including 1.01

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wordpress-paypal-donation/tags/1.01/wp-paypal-donation.php#L260
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wordpress-paypal-donation/tags/1.01/wp-paypal-donation.php#L271
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wordpress-paypal-donation/trunk/wp-paypal-donation.php#L260
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wordpress-paypal-donation/trunk/wp-paypal-donation.php#L271
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/99a8b48b-2967-4179-a0eb-626bbe273f03?source=cve
  • nvd.nist.gov Official NVD record