Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem: Server-side request forgery
Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem is affected by server-side request forgery. Exploitation requires at least contributor-level access. The vulnerable server can be induced to make attacker-selected network requests. The published affected range is <= 3.5.3.
- Component
- Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem
- Affected
- <= 3.5.3
- Safe version
> 3.5.3- Published
- May 05, 2026
This CVE was published May 05, 2026 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem to a release after 3.5.3, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Server-Side Request Forgery in versions up to, and including, 3.5.3 via the import_images() function. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N