CVE-2017-16562
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 27.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 27.37% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 4 November 2017
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- userproplugin/userpro
- Source
- cve@mitre.org
EPSS moved from 19.2% on 21 September 2026 to 27.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9Issue Tracking
- https://wpvulndb.com/vulnerabilities/8950Issue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/43117/Exploit, Issue Tracking, Third Party Advisory, VDB Entry
- https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9Issue Tracking
- https://wpvulndb.com/vulnerabilities/8950Issue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/43117/Exploit, Issue Tracking, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.