CVE-2025-53999 MEDIUM

CVE-2025-53999: WordPress Altair theme <= 5.2.2 - Broken Access Control vulnerability

Vendor Themegoods

Product Altair

Weakness CWE-862 · Missing authorization

Published August 20, 2026

Last update August 20, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Altair <= 5.2.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Altair versions up to 5.2.2 lack proper authorization checks, allowing unauthenticated attackers to modify data and disrupt service availability. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 5.2.2 immediately.

What an attacker can do

03Attacker Capabilities

Modify site data and cause service disruption without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can alter content and degrade site availability without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 20, 2026 CVE published

August 20, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-53999 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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