What is CVE-2026-14939?

CVE-2026-14939 is a medium-severity vulnerability in Visualizer, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-08-04.

How severe is CVE-2026-14939?

Medium severity. CVSS v3 base score is 6.8 out of 10.

SSRF in Visualizer

CVE-2026-14939

The Visualizer WordPress plugin before 4.0.6 does not restrict a user-supplied URL to safe address ranges before fetching it server-side, allowing users with Contributor-level access and above to perform Server-Side Request Forgery agains…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Unknown Visualizer — versions 0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-14939?: CVE-2026-14939 is a medium-severity vulnerability in Visualizer, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-08-04.
How severe is CVE-2026-14939?: Medium severity. CVSS v3 base score is 6.8 out of 10.