CVE-2026-39521 MEDIUM

CVE-2026-39521: WordPress Nelio Content plugin <= 4.3.1 - Server Side Request Forgery (SSRF) vulnerability

Vendor Nelio Software

Product Nelio Content

Weakness CWE-918 · SSRF

Published April 8, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

4.9/10

Attack vector Network

Attack complexity High

Privileges required Low

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

Description

Server-Side Request Forgery (SSRF) vulnerability in Nelio Software Nelio Content nelio-content allows Server Side Request Forgery.This issue affects Nelio Content: from n/a through <= 4.3.1.

Key dates

Disclosure timeline

April 8, 2026 CVE published

April 29, 2026 Record updated