CVE-2024-9990: Crypto <= 2.15 - Cross-Site Request Forgery to Authentication Bypass

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-29 · updated 2026-06-17
Weakness: CWE-352

Description

The Crypto plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.15. This is due to missing nonce validation in the 'crypto_connect_ajax_process::check' function. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

odude Crypto Tool: through 2.16

References

https://plugins.trac.wordpress.org/browser/crypto/tags/2.10/includes/class-crypto_connect_ajax_register.php#L31
https://plugins.trac.wordpress.org/browser/crypto/tags/2.10/includes/class-crypto_connect_ajax_register.php#L65
https://plugins.trac.wordpress.org/changeset/3180126/crypto#file33
https://www.wordfence.com/threat-intel/vulnerabilities/id/cea39157-94aa-4982-983e-9c3e4b1af86d?source=cve

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