Blocksy Companion <= 2.0.42 - Authenticated (Admin+) Server-Side Request Forgery

5.5
Server-Side Request Forgery (SSRF)
CVE CVE-2024-35633
CVSS 5.5 (Medium)
Publicly Published May 30, 2024
Last Updated June 5, 2024
Researcher Yuchen Ji

Description

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 locations originating from the web application which can be used to query and modify information from internal services.

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Vulnerability Details for Blocksy Companion

Software Type Plugin
Software Slug blocksy-companion (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.0.43, or a newer patched version
Affected Version
  • <= 2.0.42
Patched Version
  • 2.0.43

Recent vulnerabilities in Blocksy Companion

# Title CVE ID CVSS Researchers Date
1 Blocksy Companion <= 2.1.46 - Unauthenticated Arbitrary File Upload via 'blc-review-images[]' Parameter CVE-2026-15158 9.8 Nguyen Ba Khanh July 1, 2026
2 Blocksy Companion <= 2.1.45 - Authenticated (Editor+) Stored Cross-Site Scripting via 'product_description' Parameter CVE-2026-12430 4.4 Pasindu Dilshan (K4PXD) June 18, 2026
3 Blocksy Companion <= 2.1.19 - Authenticated (Author+) Arbitrary File Upload via SVG Upload Bypass CVE-2025-12846 8.8 shark3y November 10, 2025
4 Blocksy Companion <= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-12475 6.4 Rafshanzani Suhada October 6, 2025
5 Blocksy Companion <= 2.1.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via blocksy_newsletter_subscribe Shortcode CVE-2025-9565 6.4 Muhammad Yudha - DJ September 16, 2025
6 Blocksy Companion <= 2.0.45 - Authenticated (Contributor+) Stored Cross-Site Scripting via SVG Uploads CVE-2024-4487 6.4 wesley (wcraft) May 10, 2024
7 Blocksy Companion <= 2.0.28 - Cross-Site Request Forgery CVE-2024-31932 5.3 R3N0 April 10, 2024
8 Blocksy Companion <= 2.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-2392 6.4 Ngô Thiên An (ancorn_) March 21, 2024
9 Blocksy Companion <= 1.8.81 - Authenticated(Subscriber+) Sensitive Information Exposure via blocksy_posts shortcode CVE-2023-1911 4.3 Erwan LR April 10, 2023
10 Blocksy Companion <= 1.8.67 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2023-23898 6.4 Rafshanzani Suhada January 27, 2023

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