CSRF in WordPress
CVE-2016-6897
Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by leveraging a late call to the check_ajax_referer function, a related issue to CVE-2016-6896.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.288 (98.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.288 · newest: 0.288 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/92572 (vdb-entry)
- www.securitytracker.com/id/1036683 (vdb-entry)
- www.exploit-db.com/exploits/40288/ (exploit)
- www.openwall.com/lists/oss-security/2016/08/20/1 (mailing-list)
- sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_h…
- github.com/WordPress/WordPress/commit/8c82515ab62b88fb32d01c9778f0204b296f3568
- wpvulndb.com/vulnerabilities/8606
Frequently asked questions
- What is CVE-2016-6897?
- CVE-2016-6897 is a medium-severity vulnerability in WordPress, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2017-01-18.
- How severe is CVE-2016-6897?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2016-6897 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.