Medium severity · published Sep 5, 2026
CVE-2026-81423
Accept Stripe Payments < 2.1.4 - Open Redirect via IPN Handler
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Accept Stripe Payments ·
before 2.1.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-81423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-81423
wpscan.com
https://wpscan.com/vulnerability/0e4bbbde-b93e-4b58-8baf-301073e9a0c5/
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