Medium 4.3Published Jan 15, 2026

CVE-2025-15370Shield Security <= 21.0.9 - Authenticated (Subscriber+) Insecure Direct Object Reference to Disable Google Authenticator

Updated under an hour ago (Oct 28, 2026, 5:40 AM ET)

Does this affect you?

It affects paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches

Exploited in the last 30 days

The Shield: Blocks Bots, Protects Users, and Prevents Security Breaches plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 21.0.9 via the MfaGoogleAuthToggle class due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disable Google Authenticator for any user.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Wordfence
NVD analysis: Deferred
Record last updated: Apr 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches paultgoodchild:shield_blocks_bots_protects_users_and_prevents_security_breaches (from the name)	through 21.0.9	CNA record

References

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/d777014a-5397-4062-af39-7ea86589a0d0?source=cve
https://plugins.trac.wordpress.org/browser/wp-simple-firewall/tags/21.0.8/src/lib/src/ActionRouter/Actions/MfaGoogleAuthToggle.php
https://plugins.trac.wordpress.org/changeset/3438647/wp-simple-firewall

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.