CVE-2026-48877 MEDIUM

CVE-2026-48877: WordPress GenerateBlocks plugin <= 2.1.0 - Sensitive Data Exposure vulnerability

Vendor Tom

Product GenerateBlocks

Weakness CWE-201

Published May 27, 2026

Last update May 27, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Insertion of Sensitive Information Into Sent Data vulnerability in Tom GenerateBlocks allows Retrieve Embedded Sensitive Data. This issue affects GenerateBlocks: from n/a through 2.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

GenerateBlocks versions up to 2.1.0 expose sensitive information to authenticated users. An attacker with a low-privilege account can read data they should not have access to. The vulnerability requires login credentials but no additional user interaction. Update to version 2.3.0 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Read sensitive data they should not have access to.

Potential impact on your site

04Site Impact

User data may be exposed to authenticated attackers with limited permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

May 27, 2026 CVE published

May 27, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-48877 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/201.html AskarLabs — CWE-201 write-up Insertion of Sensitive Information Into Sent Data

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