CVE-2017-16562 in the critical feed json
The UserPro plugin before 4.9.17.1 for WordPress, when used on a site with the "admin" username, allows remote attackers to bypass authenti…
published 2017-11-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7754
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 27.4%
- EPSS 27.4% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
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.
Patch / fix
- userproplugin userpro 4.9.17.1
Timeline
- First public exploit (EDB-43117)
- Published
Exploit prediction
27.37% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-43117 WordPress Plugin Userpro < 4.9.17.1 - Authentication Bypass webapps, 2017-11-04
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
- Technology feeds
References
-
exploit-db.com
/exploits/43117/
exploit, issue-tracking, third-party-advisory, vdb-entry
-
wpvulndb.com
/vulnerabilities/8950
issue-tracking, third-party-advisory
-
codecanyon.net
/item/userpro-user-profiles-with-social-login/5958681?s_rank=9
issue-tracking
Sources
- CVE List CVE-2017-16562
- NVD CVE-2017-16562
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.