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

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-05 · updated 2026-06-17
• Weakness: CWE-918

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.

Affected products

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

References

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

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