CVE-2026-81423 Accept Stripe Payments < 2.1.4 - Open Redirect via IPN Handler
Unauthenticated attackers can redirect visitors to arbitrary external sites via the IPN handler, facilitating phishing attacks against WordPress users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81423?
CVE-2026-81423 is a medium-severity vulnerability in Unknown Accept Stripe Payments, published on 5 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2026-81423?
How do I fix CVE-2026-81423?
No fix has been published for CVE-2026-81423 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-81423 being exploited?
There is no known exploitation of CVE-2026-81423 in the wild and no public exploit code.
Sources
Also known as GHSA-rvj6-j43w-hcgw.