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OpenAdvisories
Medium · 6.4 CVE-2024-4158 EUVD-2024-32717GHSA-xwcj-m6m8-mr3g

Blocksy <= 2.0.42 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published May 9, 2024 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 2.0.42 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.

Affected products

VendorProductAffectedFixed
creativethemeshq Blocksy ≤ 2.0.42 —

References