Reported vulnerability

miniOrange 2FA – Two Factor Authentication for WordPress 5.3.24 - 6.3.0 - Missing Authorization to Unauthenticated Arbitrary Option Deletion

Published 8 Sept 2026

Updated 16 Sept 2026

CVE-2026-77770

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 7.3

The miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator) plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check in versions 5.3.24 to 6.3.0. This makes it possible for unauthenticated attackers to delete arbitrary option values on the WordPress site. This can be leveraged to delete an option that would create an error on the site and deny service to legitimate users.

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

miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator)

Software: plugin · miniorange-2-factor-authentication
Affected versions: From 18.0, through 19.2; From 5.3.24, through 6.3.0
Fix availability: Fix available
Fixed versions: 19.3, 6.3.1

Recommended action

Update to one of the following versions, or a newer patched version: 19.3, 6.3.1

Further references (1)

wordfence.com/threat-intel/vulnerabilities/id/d82f5ffb-3499-462b-a04e-37e33ddf05c9?source=api-prod

Data sources and licences

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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

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Source: Wordfence

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Questions about this vulnerability

Which versions of miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator) are affected?

Wordfence lists these affected versions: From 18.0, through 19.2; From 5.3.24, through 6.3.0. Use the version checker above to compare your installed release with this report.

Is a fix available for miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator)?

Wordfence reports a fix for this issue in miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator). It lists these fixed versions: 19.3, 6.3.1. 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.

These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.

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