Vulnerability Monitor

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CVE-2016-6896

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.

Published

2017-01-18T21:59:00.277

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-22
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application wordpress wordpress 4.5.3 Yes
References