Reported vulnerability
HivePress Authentication <= 1.1.4 - Unauthenticated Authentication Bypass via 'access_token' Parameter to Facebook Authenticator
Published 5 Sept 2026
Updated 6 Sept 2026
CVE-2026-18056
Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.
Does this affect my version?
Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.
Wordfence advisory
high · CVSS 7.5The HivePress Authentication plugin for WordPress is vulnerable to Authentication Bypass via the access_token parameter in all versions up to, and including, 1.1.4. This is due to the authenticate_user function's Facebook authenticator resolving third-party identity by forwarding the attacker-supplied access_token to the Facebook Graph API and trusting the returned email and ID verbatim, without performing any application ID or audience validation — specifically, no /debug_token verification and no comparison of the token's app_id against the configured hp_facebook_app_id. This makes it possible for unauthenticated attackers to authenticate as any existing WordPress user, including administrators, whose email address is associated with a Facebook account for which the attacker can obtain any valid access token. Important Note: To exploit the vulnerability, the attacker must obtain the victim's access token.
Severity vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
HivePress Authentication
- Software
- plugin · hivepress-authentication
- Affected versions
- Start version unspecified, through 1.1.4
- Fix availability
- Fix available
- Fixed versions
- 1.1.5
Recommended action
Update to version 1.1.5, or a newer patched version
Further references (1)
Data sources and licences
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Read licence termsSource: Wordfence
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Get help with this issueQuestions about this vulnerability
Which versions of HivePress Authentication are affected?
Wordfence lists these affected versions: Start version unspecified, through 1.1.4. Use the version checker above to compare your installed release with this report.
Is a fix available for HivePress Authentication?
Wordfence reports a fix for this issue in HivePress Authentication. It lists these fixed versions: 1.1.5. Back up your website and test the recommended update before applying it to your live site.
Where can I find my installed plugin version?
In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.
Does an affected version mean my website has been hacked?
An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.