CVE-2026-14939
Medium
Description
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 against link-local instance-metadata endpoints. As the fetched response is returned in the reply, the attack is non-blind, enabling retrieval of cloud instance metadata (including IAM credentials) on cloud-hosted sites.
SeverityMedium
CVSS6.8
Exploit probability—
ProductVisualizer
PublishedAug 4, 2026
First seenAug 4, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- Visualizer4.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Visualizer | v < 4.0.6 | 4.0.6 |
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