PT-2026-34628 · Gutentor · Gutentor – Gutenberg Blocks – Page Builder For Gutenberg Editor

Published 2026-04-23 · Updated 2026-04-23 · CVE-2026-2951

Mitre

CVSS v3.1

5.4

Medium

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

The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 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-2026-2951

Affected Products

Gutentor – Gutenberg Blocks – Page Builder For Gutenberg Editor

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-2951 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/d7c639b8-35f5-4eaf-a663-1adab3ba2a16?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3495930/gutentor · Note