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5.4

The Donation Block For PayPal WordPress plugin before 2.1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, wh...

CVE-2023-0535 · published 3 years ago
Summary

The Donation Block For PayPal WordPress plugin before 2.1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attack...

What to do
  • Update donation_block_for_paypal_project donation_block_for_paypal to version 2.1.0 or later.
Affected software
VendorProductAffected versions
donation_block_for_paypal_project donation_block_for_paypal < 2.1.0
cpe:2.3:a:donation_block_for_paypal_project:donation_block_for_paypal:*:*:*:*:*:wordpress:*:*
Original advisory text
The Donation Block For PayPal WordPress plugin before 2.1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, wh...
The Donation Block For PayPal WordPress plugin before 2.1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.4 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published27 Feb 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-0535 · NVD
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