WordPress Core < 6.0.3 & Gutenberg < 14.3.1 - Authenticated Cross-Site Scripting in Various Blocks
Strategic Overview
3.6.1 – 6.0.2 · 25 branchesCVE-2022-43500Vulnerability Overview
WordPress Core in versions up to 6.0.3 and the Gutenberg plugin for WordPress in versions up to 14.3.1 are vulnerable to Stored Cross-Site Scripting due to insufficient output escaping on user supplied input. The RSS widget, Search Block, Featured Image Block, RSS Block, and Navigation Block are all affected components. This makes it possible for authenticated users with access to the block editor to inject malicious web scripts that may execute whenever accessing the page.
Technical Analysis
REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.40, 3.8.40, 3.9.38, 4.0.37, 4.1.37, 4.2.34, 4.3.30, 4.4.29, 4.5.28, 4.6.25, 4.7.25, 4.8.21, 4.9.22, 5.0.18, 5.1.15, 5.2.17, 5.3.14, 5.4.12, 5.5.11, 5.6.10, 5.7.8, 5.8.6, 5.9.5, 6.0.3 --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
External References
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