What’s Vulnerable › Vulnerabilities
CVE-2026-81423: Accept Stripe Payments < 2.1.4 - Open Redirect via IPN Handler
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-05 · updated 2026-09-08
- Weakness: CWE-601
Description
The Accept Stripe Payments WordPress plugin before 2.1.4 does not validate a user-supplied URL before using it in a redirect, allowing unauthenticated attackers to redirect visitors to an arbitrary external website, which can be leveraged for phishing.
Affected products
- Accept Stripe Payments: before 2.1.4 — fixed in 2.1.4
How to fix
Upgrade to a fixed version: Accept Stripe Payments 2.1.4. Check the vendor advisory for mitigations.
References
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