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CVE-2025-4685: Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor <= 3.4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-21 · updated 2026-06-17
• Weakness: CWE-79

Description

The Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HTML data attributes of multiple widgets, in all versions up to, and including, 3.4.8 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.

Affected products

• Gutentor: through 3.4.8

References

• https://plugins.trac.wordpress.org/changeset/3320485/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0e9ec6af-fa51-4e14-abf6-450c1ca6f8d5?source=cve

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