CVE-2024-9988

CRITICAL 9.8

Crypto <= 2.19 - Authentication Bypass via register

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

The Crypto plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.19. This is due to missing validation on the user being supplied in the 'crypto_connect_ajax_process::register' function. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the username.

CWE	CWE-288
Vendor	odude
Product	crypto tool
Published	Oct 29, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

odude / Crypto Tool

0 ≤ 2.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/7bfe87cf-9883-4f8f-a0f5-23bbc7bb9b7c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/crypto/tags/2.10/includes/class-crypto_connect_ajax_register.php#L91 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3195424/crypto#file3

Credits

István Márton