PT-2026-31142 · WordPress · Nelio Content

Published 2026-04-08 · Updated 2026-04-12 · CVE-2026-39521

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

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

Name of the Vulnerable Software and Affected Versions Nelio Content versions through 4.3.1

Description A Server-Side Request Forgery (SSRF) vulnerability exists in Nelio Content. This allows for Server Side Request Forgery.

Recommendations Update Nelio Content to a version later than 4.3.1.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-39521

Affected Products

Nelio Content

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-39521 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/nelio-content/vulnerability/wordpress-nelio-content-plugin-4-3-1-server-side-request-forgery-ssrf-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2043368571129196837 · Twitter Post