PT-2026-47071 · Payaddons · Express Payment For Stripe

Published 2026-06-05 · Updated 2026-06-06 · CVE-2026-8893

Mitre

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Express Payment For Stripe plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'type' attribute of the [stripe-express] shortcode in versions up to, and including, 1.28.0. This is due to insufficient input sanitization and output escaping on the shortcode attribute value, which is concatenated into an HTML attribute in the rendered output of the register shortcode() function without being passed through esc attr() or any other escaping function. 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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-8893

Affected Products

Express Payment For Stripe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-8893 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/1a7dbb82-b484-4b86-b8dc-7a1e7291dec2?source=cve · Note
• https://plugins.trac.wordpress.org/browser/wp-stripe-express/tags/1.28.0/includes/wp-stripe-shortcodes.php#L46 · Note
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3553233%40wp-stripe-express&new=3553233%40wp-stripe-express&sfp_email=&sfph_mail= · Note
• https://plugins.trac.wordpress.org/browser/wp-stripe-express/tags/1.28.0/includes/wp-stripe-shortcodes.php#L31 · Note