The vulnerability CVE-2026-39665 affects the SEO Friendly Images plugin by Vladimir Prelovac, specifically versions up to 3.0.5. It is a DOM-based cross-site scripting (XSS) flaw caused by improper neutralization of input during web page generation. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, requiring privileges and user interaction, and impacts on confidentiality, integrity, and availability. No patch or official remediation level has been published, and no known exploits have been reported.

Successful exploitation of this vulnerability could allow an attacker with limited privileges and requiring user interaction to execute arbitrary scripts in the context of the affected web application. This may lead to partial compromise of confidentiality, integrity, and availability of the affected system or user data. However, no known exploits are currently active in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting privileges and exercising caution with user interactions involving the plugin. Monitor vendor channels for updates.