Extension WordPress
Vulnérabilités Blocksy Companion
Cette page rassemble les failles publiées pour Blocksy Companion, leurs plages de versions affectées et les correctifs signalés dans la base locale.
Historique de sécurité
CVE et vulnérabilités de Blocksy Companion
12 fiches
Blocksy Companion <= 2.1.46 – Unauthenticated Arbitrary File Upload via 'blc-review-images[]' Parameter
The Blocksy Companion plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.1.46 via the save_attachments function. This is due to the Custom Fonts extension registering a wp_check_filetype_and_ext filter that approves…
*-2.1.46
2.1.47
01/07/2026
Blocksy Companion <= 2.1.45 – Authenticated (Editor+) Stored Cross-Site Scripting via 'product_description' Parameter
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.1.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,…
*-2.1.45
2.1.46
18/06/2026
Blocksy Companion <= 2.1.19 – Authenticated (Author+) Arbitrary File Upload via SVG Upload Bypass
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…
*-2.1.19
2.1.20
10/11/2025
Blocksy Companion <= 2.1.14 – Authenticated (Contributor+) Stored Cross-Site Scripting
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…
*-2.1.14
2.1.15
06/10/2025
Blocksy Companion <= 2.1.10 – Authenticated (Contributor+) Stored Cross-Site Scripting via blocksy_newsletter_subscribe Shortcode
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…
*-2.1.10
2.1.11
16/09/2025
Blocksy Companion <= 2.0.42 – Authenticated (Admin+) Server-Side Request Forgery
The Blocksy Companion plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.0.42. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary…
*-2.0.42
2.0.43
30/05/2024
Blocksy Companion <= 2.0.45 – Authenticated (Contributor+) Stored Cross-Site Scripting via SVG Uploads
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…
*-2.0.45
2.0.46
10/05/2024
Blocksy Companion <= 2.0.28 – Cross-Site Request Forgery
The Blocksy Companion plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.28. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated…
*-2.0.28
2.0.29
10/04/2024
Blocksy Companion <= 2.0.31 – Authenticated (Contributor+) Stored Cross-Site Scripting
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…
*-2.0.31
2.0.32
21/03/2024
Blocksy Companion <= 1.8.81 – Authenticated(Subscriber+) Sensitive Information Exposure via blocksy_posts shortcode
The Blocksy Companion plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.8.81 via the blocksy_posts shortcode. This can allow authenticated attackers with subscriber-level permissions or above to extract sensitive data including…
*-1.8.81
1.8.82
10/04/2023
Blocksy Companion <= 1.8.67 – Authenticated (Contributor+) Stored Cross-Site Scripting
The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocksy_posts shortcode in versions up to, and including, 1.8.67 due to insufficient input sanitization and output escaping on user supplied 'class' attribute. This…
[*, 1.8.68)
1.8.68
27/01/2023
Freemius SDK <= 2.4.2 – Missing Authorization Checks
The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions…
[*, 1.8.20)
1.8.20
04/03/2022
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