CRITICAL
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
Published Nov 9, 2017
9.8
CRITICALCVSS 3.0
EPSS 27.37%
Description
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.
Affected products
No data.
- < 4.9.17.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
27.37% 0.27369
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.27369
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 27.37% (0.27369) | 98.01th | v5 (v2026.06.15) |
| Sep 22, 2026 | 27.37% (0.27369) | 97.97th | v5 (v2026.06.15) |
| Sep 21, 2026 | 19.24% (0.19243) | 97.27th | v5 (v2026.06.15) |
| Sep 6, 2026 | 27.37% (0.27369) | 97.93th | v5 (v2026.06.15) |
| Sep 5, 2026 | 19.24% (0.19243) | 97.21th | v5 (v2026.06.15) |
| Aug 30, 2026 | 27.37% (0.27369) | 97.92th | v5 (v2026.06.15) |
| Aug 28, 2026 | 19.24% (0.19243) | 97.19th | v5 (v2026.06.15) |
| Aug 24, 2026 | 27.37% (0.27369) | 97.90th | v5 (v2026.06.15) |
| Aug 23, 2026 | 19.24% (0.19243) | 97.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 27.37% (0.27369) | 97.80th | v5 (v2026.06.15) |
| Dec 18, 2025 | 48.16% (0.48165) | 97.61th | v4 (v2025.03.14) |
| Sep 7, 2025 | 54.60% (0.54596) | 97.95th | v4 (v2025.03.14) |
| Aug 1, 2025 | 65.85% (0.65854) | 98.44th | v4 (v2025.03.14) |
| Mar 30, 2025 | 71.24% (0.71239) | 98.62th | v4 (v2025.03.14) |
| Mar 29, 2025 | 55.84% (0.55840) | 97.23th | v4 (v2025.03.14) |
| Mar 24, 2025 | 71.24% (0.71239) | 98.65th | v4 (v2025.03.14) |
| Mar 23, 2025 | 67.84% (0.67835) | 98.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 71.24% (0.71239) | 98.63th | v4 (v2025.03.14) |
| Dec 17, 2024 | 33.10% (0.33099) | 97.05th | v3 (v2023.03.01) |
| Feb 13, 2024 | 78.51% (0.78507) | 98.14th | v3 (v2023.03.01) |
| Oct 20, 2023 | 82.50% (0.82501) | 98.02th | v3 (v2023.03.01) |
| Apr 23, 2023 | 85.71% (0.85709) | 97.98th | v3 (v2023.03.01) |
| Apr 2, 2023 | 88.25% (0.88249) | 98.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 93.06% (0.93063) | 98.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.53% (0.04526) | 76.76th | v1 |
| Jan 6, 2022 | 4.53% (0.04526) | 76.54th | v1 |
| Sep 1, 2021 | 4.53% (0.04526) | 84.50th | v1 |
| Apr 14, 2021 | 4.53% (0.04526) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9 x_refsource_CONFIRMIssue Tracking
- https://wpvulndb.com/vulnerabilities/8950 x_refsource_MISCIssue TrackingThird Party Advisory
- https://www.exploit-db.com/exploits/43117/ exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9 | x_refsource_CONFIRMIssue Tracking | |
| https://wpvulndb.com/vulnerabilities/8950 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://www.exploit-db.com/exploits/43117/ | exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 9, 2017
Updated Aug 5, 2024
Reserved Nov 6, 2017
Link CVE-2017-16562
CISA Vulnrichment
Updated n/a