CVE-2024-3344

MEDIUM 6.4

Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.8 - Authenticated (Author+) Limited File Upload to Stored Cross-Site Scripting

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file upload in all versions up to, and including, 2.6.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE	CWE-434
Vendor	themeisle
Product	otter blocks – gutenberg blocks, page builder for gutenberg editor & fse
Published	Apr 11, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

themeisle / Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE

0 ≤ 2.6.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/db836f4b-d31f-4442-89a5-1a400525c598?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3068495/otter-blocks

Credits

João Pedro S Alcântara (Kinorth)