The vulnerability identified as CVE-2025-26871 concerns a missing authorization check in the WPDeveloper Essential Blocks for Gutenberg plugin, versions up to 4.8.3. This issue arises from improperly configured access control security levels, enabling users with limited privileges to perform actions they should not be authorized to execute. The CVSS 3.1 base score is 4.3, reflecting a network attack vector with low attack complexity, requiring privileges, no user interaction, and impacts integrity but not confidentiality or availability.

An attacker with some level of privileges could exploit this vulnerability to perform unauthorized actions within the affected plugin, potentially altering data or configurations. There is no impact on confidentiality or availability reported. No known active exploitation has been observed.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, review and restrict user privileges to minimize risk from unauthorized access within the plugin. Monitor for vendor updates regarding patches or official mitigations.