PT-2026-36950 · Jegstudio · Gutenverse – Ultimate Wordpress Fse Blocks Addons & Ecosystem

Athiwat Tiprasaharn · Published 2026-05-05 · Updated 2026-05-05 · CVE-2026-2868

Mitre

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2868

Affected Products

Gutenverse – Ultimate Wordpress Fse Blocks Addons & Ecosystem

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-2868 · Security Note
• https://plugins.trac.wordpress.org/changeset/3507804/gutenverse · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/cc540e5c-180f-4743-b1fb-608aa0e3ae79?source=cve · Note