Open Redirect in Accept Stripe Payments

CVE-2026-81423

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.

Vulnerability class: Open Redirect

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-81423: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Accept Stripe Payments

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-81423?
CVE-2026-81423 is a medium-severity vulnerability in Accept Stripe Payments, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-09-05.
How severe is CVE-2026-81423?
Medium severity. CVSS v3 base score is 4.3 out of 10.