The UserPro plugin before 4.9.17.1 for WordPress, when used on a site with the "admin"…
Priority MEDIUM 64CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The UserPro plugin before 4.9.17.1 for WordPress, when used on a site with the "admin" username, allows remote attackers to bypass authentication and obtain administrative access via a "true" value for the up_auto_log parameter in the QUERY_STRING to the default URI.
Why it matters now
EPSS 0.27369 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:userproplugin:userpro:*:*:*:*:*:wordpress:*:* | before 4.9.17.1 | Vulnerable | DeluxeThemes |
- cpe:2.3:a:userproplugin:userpro:*:*:*:*:*:wordpress:*:* Versions before 4.9.17.1 Vulnerable ·DeluxeThemes
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16562
- 2026-10-03 Alias added: GHSA-xpmm-8f6x-vcw6
References
More DeluxeThemes Userpro vulnerabilities
- TI-2023-02290 UserPro <= 5.1.1 - Authentication Bypass to Administrator CVSS 3.1CRITICAL 9.8
- TI-2023-02301 UserPro <= 5.1.1 - Insecure Password Reset Mechanism CVSS 3.1CRITICAL 9.8
- TI-2024-23569 WordPress UserPro plugin <= 5.1.8 - Unauthenticated Account Takeover vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-05536 UserPro <= 5.1.4 - Authenticated (Subscriber+) Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2023-02293 UserPro <= 5.1.1 - Cross-Site Request Forgery to Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2023-02344 UserPro <= 5.1.0 - Cross-Site Request Forgery to PHP Object Injection CVSS 3.1HIGH 8.8
Sources
- CVE-2017-16562 · CVE Program
- CVE-2017-16562 · NVD
- FIRST EPSS
- GHSA-xpmm-8f6x-vcw6 · 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