Admin Safety Guard < 1.4.0 - Unauthenticated User Data Disclosure via 2fa/app/users REST Route
Priority HIGH 72CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
The Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection WordPress plugin before 1.4.0 does not perform any capability check on one of its REST API endpoints, allowing unauthenticated attackers to retrieve the full list of registered users including their usernames, email addresses, roles, and two-factor authentication enrollment status.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00496 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection (Unknown): 1.4.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection | 1.2.7 to before 1.4.0 | 1.4.0 | Patch available | CNA |
- Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection VendorUnknown Affected 1.2.7 to before 1.4.0 Fixed in 1.4.0 Patch available CNA
Remediation
- Fix · CNA Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection (Unknown) Fixed in 1.4.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16578
- 2026-10-03 Alias added: GHSA-wcvm-4w3j-r33j
References
Sources
- CVE-2026-16578 · CVE Program
- CVE-2026-16578 · NVD
- FIRST EPSS
- GHSA-wcvm-4w3j-r33j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences