Vulnerability Description
wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | <= 4.7 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-3779
- http://www.openwall.com/lists/oss-security/2017/01/14/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/95401
- http://www.securitytracker.com/id/1037591
- https://codex.wordpress.org/Version_4.7.1Release NotesVendor Advisory
- https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa4Patch
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-releVendor Advisory
- https://wpvulndb.com/vulnerabilities/8721
- http://www.debian.org/security/2017/dsa-3779
- http://www.openwall.com/lists/oss-security/2017/01/14/6Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/95401
- http://www.securitytracker.com/id/1037591
- https://codex.wordpress.org/Version_4.7.1Release NotesVendor Advisory
- https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa4Patch
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-releVendor Advisory
FAQ
What is CVE-2017-5493?
CVE-2017-5493 is a vulnerability with a CVSS score of 7.5 (HIGH). wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended ac...
How severe is CVE-2017-5493?
CVE-2017-5493 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5493?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress.