CVE-2024-9988 - CVE House

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Status published Critical CVE-2024-9988

Crypto <= 2.19 - Authentication Bypass via register

9.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

István Márton

References

More from odude

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Flexi <= 4.28 - Authenticated (Contributor+) Stored Cross-Site Scripting via flexi-form-tag Shortcode

WordPress Flexi – Guest Submit Plugin <= 4.28 - Local File Inclusion vulnerability

Crypto Tool <= 2.22 - Missing Authentication to Unauthenticated Limited File Deletion

Crypto Tool <= 2.22 - Unauthenticated Information Exposure via Global Authentication State

Crypto <= 2.15 - Cross-Site Request Forgery to Authentication Bypass

Affected Vendor

odude

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Affected Software

Crypto Tool

Vulnerable Versions:

0

Timeline

Official Publish: October 29th, 2024

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1550 Use Alternate Authentication Material

Defense Evasion

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Privilege Escalation