EUVD-2026-26754CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionNVD
The Widget Options - Advanced Conditional Visibility for Gutenberg Blocks & Classic Widgets plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.2 via the Display Logic feature. This is due to the plugin using eval() on user-supplied Display Logic expressions with an insufficient blocklist/allowlist that can be bypassed using array_map with string concatenation, combined with a lack of authorization enforcement on the extended_widget_opts_block attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server. The vulnerability was partially patched in version 4.2.0.
AnalysisAI
Remote code execution in Widget Options plugin for WordPress (all versions ≤4.2.2) allows authenticated Contributor-level users to execute arbitrary PHP code on the server by bypassing input validation in the Display Logic feature. The plugin's unsafe use of eval() on user-controlled expressions, combined with insufficient authorization checks on the extended_widget_opts_block attribute, enables attackers to chain array_map with string concatenation to bypass blocklists. …
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RemediationAI
Within 24 hours: inventory all WordPress installations using Widget Options plugin and document current version numbers; disable or remove the plugin if not critical to operations, or restrict Contributor role permissions immediately. Within 7 days: contact the plugin vendor for patch timeline and evaluate alternative widget management solutions; implement Web Application Firewall (WAF) rules to block requests targeting the extended_widget_opts_block attribute if plugin cannot be removed. …
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