Stored Cross-Site Scripting in Express Payment For Stripe Plugin by WordPress
CVE-2026-8893

6.4MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
5 June 2026

What is CVE-2026-8893?

The Express Payment For Stripe plugin for WordPress has a serious vulnerability that allows stored cross-site scripting (XSS) attacks. The issue arises from inadequate input sanitization and output escaping associated with the 'type' attribute of the [stripe-express] shortcode. This vulnerability is present in versions up to and including 1.28.0. Authenticated attackers with contributor-level access or higher can exploit this flaw to inject malicious web scripts that execute whenever a user accesses the affected pages. This poses significant risks to website integrity and user security.

Affected Version(s)

Express Payment For Stripe 0 <= 1.28.0

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ
.