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Threat Database
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Threat Entry
Updated 2025-11-12
CVE-2025-12846 - Blocksy Companion Plugin
The Blocksy Companion plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 2.1.19. This is due to insufficient file type validation detecting SVG files, allowing double extension files to bypass sanitization while being accepted as a valid SVG file. This makes it possible for authenticated attackers, with author level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
PLUGIN
Blocksy Companion
CVE-2025-12846
Risk Score
Threat Entry
Updated 2025-10-30
CVE-2025-12475 - Blocksy Companion Plugin
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Blocksy Companion
CVE-2025-12475
Risk Score
Threat Entry
Updated 2025-09-17
CVE-2025-9565 - Blocksy Companion Plugin
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocksy_newsletter_subscribe shortcode in all versions up to, and including, 2.1.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Blocksy Companion
CVE-2025-9565
Risk Score
Threat Entry
Updated 2025-01-28
CVE-2024-4487 - Blocksy Companion Plugin
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Blocksy Companion
CVE-2024-4487
Risk Score
Threat Entry
Updated 2025-01-28
CVE-2024-2392 - Blocksy Companion Plugin
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Newsletter widget in all versions up to, and including, 2.0.31 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Blocksy Companion
CVE-2024-2392
Risk Score
Threat Entry
Updated 2025-01-30
CVE-2023-1911 - Blocksy Companion Plugin
The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscriber to access draft posts for example
PLUGIN
Blocksy Companion
CVE-2023-1911
Risk Score