CVE-2026-25459 MEDIUM

CVE-2026-25459: WordPress Sober theme <= 3.5.12 - Broken Access Control vulnerability

Vendor Uixthemes

Product Sober

Weakness CWE-862 · Missing authorization

Published February 19, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in uixthemes Sober sober allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sober: from n/a through <= 3.5.12.

Explanation of Vulnerability in Simple Terms

02Summary

Sober versions 3.5.12 and earlier lack proper authorization checks, allowing authenticated users to modify content they should not have access to. An attacker with a low-privilege account can alter data integrity without administrative approval. The vulnerability affects the product's access control mechanism across all versions up to 3.5.12.

What an attacker can do

03Attacker Capabilities

Modify or alter content without proper authorization as a low-privilege authenticated user.

Potential impact on your site

04Site Impact

Unauthorized changes to site content by low-privilege users; data integrity compromised without admin oversight.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege account on the site; no user interaction required.

Key dates

06Disclosure timeline

February 19, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-25459 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html

Related vulnerabilities