CVE-2026-6703 — The Responsive Blocks – Page Builder for Blocks & Patterns

CVE-2026-6703 — The Responsive Blocks – Page Builder for Blocks & Patterns

CVE-2026-6703 — The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible fo

What This Means For You

  • If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6703 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

medium T1190 Initial Access

WordPress Responsive Blocks Plugin Unauthorized Configuration Change — CVE-2026-6703

Sigma YAML — free preview
✓ Sigma · Splunk SPL Sentinel KQL Elastic QRadar AQL Wazuh Export via Bot →

Indicators of Compromise

IDTypeIndicator
CVE-2026-6703 vulnerability CVE-2026-6703
CWE-862 weakness CWE-862
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 21, 2026 at 10:16 UTC

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