Blocksy <= 2.0.97 - Missing Authorization

2.7
Missing Authorization
CVE CVE-2025-47465
CVSS 2.7 (Low)
Publicly Published May 7, 2025
Last Updated May 14, 2025
Researcher SavPhill (Savphill)

Description

The Blocksy theme for WordPress is vulnerable to unauthorized access due to a missing capability check on the wp_ajax_blocksy_notice_button_click AJAX endpoint in versions up to, and including, 2.0.97. This makes it possible for authenticated attackers, with administrator-level access and above, to install plugins. This would only impact sites where administrators have been stripped of their capability to install and activate plugins, which might occur on multi-sites.

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Vulnerability Details for Blocksy

Software Type Theme
Software Slug blocksy (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.0.98, or a newer patched version
Affected Version
  • <= 2.0.97
Patched Version
  • 2.0.98

Recent vulnerabilities in Blocksy

# Title CVE ID CVSS Researchers Date
1 Blocksy <= 2.1.41 - Authenticated (Contributor+) PHP Object Injection via Deserialization of Untrusted Data via 'blocksy_meta' REST API Field CVE-2026-8365 8.8 Quốc Huy (jtwings) June 8, 2026
2 Blocksy <= 2.1.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via `blocksy_meta` Fields CVE-2026-2583 6.4 Quốc Huy (jtwings) March 2, 2026
3 Blocksy <= 2.1.6 - Authenticated (Shop manager+) Stored Cross-Site Scripting CVE-2025-55713 5.5 SavPhill (Savphill) August 14, 2025
4 Blocksy <= 2.0.77 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-11420 6.4 zer0gh0st December 4, 2024
5 Blocksy <= 2.0.22 - Cross-Site Request Forgery CVE-2024-37469 4.3 RE-ALTER July 1, 2024
6 Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-5439 6.4 Ngô Thiên An (ancorn_) June 4, 2024
7 Blocksy <= 2.0.46 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4943 6.4 Ngô Thiên An (ancorn_) May 20, 2024
8 Blocksy <= 2.0.42 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-4158 6.4 Ngô Thiên An (ancorn_) May 3, 2024
9 Blocksy <= 2.0.39 - Authenticated (Contributor+) Stored Cross-Site Scripting via About Me block CVE-2024-3747 6.4 Ngô Thiên An (ancorn_) April 24, 2024
10 Blocksy <= 2.0.33 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-32961 6.4 Joshua Chan April 23, 2024

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