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CVE-2023-3956

CRITICAL 9.8 CVSS 3.1
Published
July 27, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user.

Affected WordPress components

  • InstaWP Connect – 1-click WP Staging & Migration Plugin · instawp-connect
    Confirmed match Active
    Up to and including 0.0.9.18
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • instawp InstaWP Connect – 1-click WP Staging & Migration — Up to and including 0.0.9.18
  • instawp instawp_connect — Up to and including 0.0.9.18

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/instawp-connect/tags/0.0.9.18/includes/class-instawp-rest-apis.php#L103 Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2942363/instawp-connect#file5 Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/48e7acf2-61d4-4762-8657-0701910ce69b?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record