CVE-2026-14236

MEDIUMCVSS 4.7/10

Last modified

CVE-2026-14236 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. The Contact Form 7 WordPress plugin before 2.5 does not validate the host of a user-supplied return URL before using it as the success and cancel redirect targets of a Stripe checkout, allowing an unauthenticated attacker to redirect a victim, via a crafted link, to an arbitrary external site after the checkout flow..

Description

The Contact Form 7 WordPress plugin before 2.5 does not validate the host of a user-supplied return URL before using it as the success and cancel redirect targets of a Stripe checkout, allowing an unauthenticated attacker to redirect a victim, via a crafted link, to an arbitrary external site after the checkout flow.

Metrics

CVSS 3.1
4.7/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownContact Form 7< 2.5

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-14236?
The Contact Form 7 WordPress plugin before 2.5 does not validate the host of a user-supplied return URL before using it as the success and cancel redirect targets of a Stripe checkout, allowing an unauthenticated attacker to redirect a victim, via a crafted link, to an arbitrary external site after the checkout flow.
How severe is CVE-2026-14236?
CVE-2026-14236 has a CVSS score of 4.7/10 (MEDIUM severity).
How do I fix CVE-2026-14236?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST