CVE-2016-6897: CSRF
First published: Wed Jan 18 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WordPress | <=4.5.5 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/08/20/1
- http://www.securityfocus.com/bid/92572
- http://www.securitytracker.com/id/1036683
- https://github.com/WordPress/WordPress/commit/8c82515ab62b88fb32d01c9778f0204b296f3568
- https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html
- https://wpvulndb.com/vulnerabilities/8606
- https://www.exploit-db.com/exploits/40288/
Frequently Asked Questions
What is the severity of CVE-2016-6897?
CVE-2016-6897 has a medium severity rating due to the potential for cross-site request forgery attacks.
How do I fix CVE-2016-6897?
To fix CVE-2016-6897, upgrade to WordPress version 4.6 or later.
Who is affected by CVE-2016-6897?
CVE-2016-6897 affects all versions of WordPress prior to 4.6, especially impacting sites with subscriber-level users.
What types of attacks can CVE-2016-6897 enable?
CVE-2016-6897 can enable remote attackers to hijack the authentication of subscribers via CSRF.
Can CVE-2016-6897 be exploited without user interaction?
Yes, CVE-2016-6897 can be exploited by an attacker without needing user interaction, making it a serious risk.
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