CVE-2025-55715 HIGH

CVE-2025-55715: WordPress Otter - Gutenberg Block Plugin <= 3.1.0 - Sensitive Data Exposure Vulnerability

Vendor Themeisle
Product Otter - Gutenberg Block
Weakness CWE-201
Published August 20, 2025
Last update May 12, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Insertion of Sensitive Information Into Sent Data vulnerability in Themeisle Otter - Gutenberg Block otter-blocks allows Retrieve Embedded Sensitive Data.This issue affects Otter - Gutenberg Block: from n/a through <= 3.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

Otter - Gutenberg Block versions up to 3.1.0 expose sensitive information through improper access controls. An unauthenticated attacker can read confidential data by making network requests to the plugin. No user interaction is required. Site administrators should update to a version newer than 3.1.0 as soon as possible.

What an attacker can do

03Attacker Capabilities

Read sensitive information from the site without authentication.

Potential impact on your site

04Site Impact

Confidential data may be exposed to anyone on the internet without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 20, 2025 CVE published
May 12, 2026 Record updated