CVE-2026-15239

MediumCVSS 5.3/10Last modified Aug 26, 2026

Description

The Simple CAPTCHA with Cloudflare Turnstile WordPress plugin before 1.42.0 does not bind its Turnstile validation cache to the single-use challenge token in its Forminator integration, instead keying it to an attacker-controlled, reusable request value, allowing unauthenticated attackers to solve one challenge and then replay token-less form submissions for a short window, defeating the anti-abuse protection the plugin provides.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published
Aug 7, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

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CVE-2026-15239: Medium severity, CVSS 5.3 | Vulnix