CVE-2026-66455 MEDIUM

CVE-2026-66455: WordPress ReactPress plugin <= 3.4.0 - Broken Access Control vulnerability

Vendor Rockiger

Product ReactPress

Weakness CWE-862 · Missing authorization

Published August 13, 2026

Last update August 13, 2026

View on NVD All CVEs

CVSS base score

6.0/10

Attack vector Network

Attack complexity High

Privileges required Low

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Subscriber Broken Access Control in ReactPress <= 3.4.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

ReactPress versions up to 3.4.0 lack proper authorization checks, allowing authenticated users with low privileges to access or modify resources they should not be able to reach. The vulnerability affects confidentiality, integrity, and availability across the application scope. Network access is required, but attack complexity is high. Update to a version newer than 3.4.0.

What an attacker can do

03Attacker Capabilities

Read, modify, or disrupt resources beyond their assigned permission level.

Potential impact on your site

04Site Impact

Authenticated users can bypass access controls to view or alter data they shouldn't access.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account; no user interaction required.

Key dates

06Disclosure timeline

August 13, 2026 CVE published

August 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66455 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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