WordPress Core < 6.2.1 - Cross-Site Request Forgery

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4.3
Cross-Site Request Forgery (CSRF)
CVSS 4.3 (Medium)
Publicly Published May 16, 2023
Last Updated January 22, 2024
Researcher John Blackbourn - WordPress

Description

WordPress Core is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the ‘wp_ajax_set_attachment_thumbnail’ AJAX function in versions up to, and including, 6.2. This allows unauthenticated users to update the thumbnail image associated with existing attachments, granted they can trick an authenticated user with appropriate permissions into performing an action, such as clicking a link. The impact of this vulnerability is incredibly minimal.

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1 affected software package

WordPress

Software Type Core
Patched? Yes
Remediation Update to one of the following versions, or a newer patched version: 4.1.38, 4.2.35, 4.3.31, 4.4.30, 4.5.29, 4.6.26, 4.7.26, 4.8.22, 4.9.23, 5.0.19, 5.1.16, 5.2.18, 5.3.15, 5.4.13, 5.5.12, 5.6.11, 5.7.9, 5.8.7, 5.9.6, 6.0.4, 6.1.2, 6.2.1
Affected Versions
  • < 4.1
  • 5.7 - 5.7.9
  • 5.8 - 5.8.7
  • 5.9 - 5.9.6
Expand to see 19 more affected version ranges.
  • 6.0 - 6.0.4
  • 6.1 - 6.1.2
  • 6.2 - 6.2.1
  • 4.1 - 4.1.38
  • 4.2 - 4.2.35
  • 4.3 - 4.3.31
  • 4.4 - 4.4.30
  • 4.5 - 4.5.29
  • 4.6 - 4.6.26
  • 4.7 - 4.7.26
  • 4.8 - 4.8.22
  • 4.9 - 4.9.23
  • 5.0 - 5.0.19
  • 5.1 - 5.1.16
  • 5.2 - 5.2.18
  • 5.3 - 5.3.15
  • 5.4 - 5.4.13
  • 5.5 - 5.5.12
  • 5.6 - 5.6.11
Patched Versions
  • 4.1.38
  • 4.2.35
  • 4.3.31
  • 4.4.30
Expand to see 18 more patched versions.
  • 4.5.29
  • 4.6.26
  • 4.7.26
  • 4.8.22
  • 4.9.23
  • 5.0.19
  • 5.1.16
  • 5.2.18
  • 5.3.15
  • 5.4.13
  • 5.5.12
  • 5.6.11
  • 5.7.9
  • 5.8.7
  • 5.9.6
  • 6.0.4
  • 6.1.2
  • 6.2.1

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