CVE-2023-3249: Web3 – Crypto wallet Login & NFT token gating <= 2.6.0 - Authentication Bypass

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-30 · updated 2026-06-17
Weakness: CWE-288

Description

The Web3 – Crypto wallet Login & NFT token gating plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.6.0. This is due to incorrect authentication checking in the 'hidden_form_data' function. This makes it possible for authenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the username.

Affected products

Web3: through 2.6.0

References

https://plugins.trac.wordpress.org/browser/web3-authentication/tags/2.6.0/classes/common/Web3/controller/class-moweb3flowhandler.php#L198
https://plugins.trac.wordpress.org/changeset/2933325/
https://www.wordfence.com/threat-intel/vulnerabilities/id/e30b62de-7280-4c29-b882-dfa83e65966b?source=cve
https://plugins.trac.wordpress.org/browser/web3-authentication/tags/2.6.0/classes/common/Web3/controller/class-moweb3flowhandler.php#L198
https://www.wordfence.com/threat-intel/vulnerabilities/id/e30b62de-7280-4c29-b882-dfa83e65966b?source=cve

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