5.3med

CVE-2017-54871 exploit

wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not pro…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
87.3%
percentile 100%
Public exploits
1
Exploit-DB

Summary

wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not properly restrict listings of post authors, which allows remote attackers to obtain sensitive information via a wp-json/wp/v2/users request.

Exploit prediction (EPSS)

87.30% probability of exploitation in the next 30 days, higher than 100% of all scored CVEs.

Exploits and detections

  • EDB-41497 WordPress Core < 4.7.1 - Username Enumeration · webapps · 2017-03-03

CVSS scores

Assigned byVersionScoreVector
NVD3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
WordPress (RSS, critical only)

References

  • exploit-db.com /exploits/41497/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • wpvulndb.com /vulnerabilities/8715 · x_refsource_MISC, x_transferred
  • codex.wordpress.org /Version_4.7.1 · x_refsource_CONFIRM, x_transferred
  • github.com /WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2017/01/14/6 · mailing-list, x_refsource_MLIST, x_transferred
  • wordfence.com /blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/ · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1037591 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • wordpress.org /news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95391 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.