CVE-2023-6506
WP 2FA <= 2.5.0 - Insecure Direct Object Reference to Arbitrary Email Sending
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
The WP 2FA – Two-factor authentication for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.5.0 via the send_backup_codes_email due to missing validation on a user controlled key. This makes it possible for subscriber-level attackers to email arbitrary users on the site.
| CWE | CWE-639 |
| Vendor | melapress |
| Product | wp 2fa – two-factor authentication for wordpress |
| Published | Jan 11, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
melapress / WP 2FA – Two-factor authentication for WordPress
0 ≤ 2.5.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/caff9be6-4161-47a0-ba47-6c8fc0c4ab40?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wp-2fa/trunk/includes/classes/Admin/class-setup-wizard.php?rev=2940688#L606 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3009922%40wp-2fa&new=3009922%40wp-2fa&sfp_email=&sfph_mail=
Credits
Ulyses Saicha