CVE-2016-6896

high-risk
Published 2017-01-18

Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.

Do I need to act?

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35.2% chance of exploitation in next 30 days
EPSS score — higher than 65% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

53
/ 100
high-risk
Severity 25/34 · High
Exploitability 23/34 · High
Exposure 5/34 · Minimal