A privilege escalation vulnerability has been identified in the AIWU WordPress plugin by Sergey. The vulnerability is classified as an Incorrect Privilege Assignment issue that allows attackers to escalate their privileges within the application. This security flaw affects all versions of AIWU from the initial release through version 1.4.17. The vulnerability has been assigned CVE-2026-48879 and is documented in the National Vulnerability Database. Given the nature of privilege escalation attacks, this vulnerability poses a significant security risk to WordPress installations using the affected plugin versions.