CVE-2026-65548 CRITICAL

CVE-2026-65548: WordPress Betheme theme <= 28.4.2 - Remote Code Execution (RCE) vulnerability

Vendor Muffingroup

Product Betheme

Weakness CWE-94 · Code injection

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

9.9/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Contributor Remote Code Execution (RCE) in Betheme <= 28.4.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Betheme versions up to 28.4.2 contain a code injection vulnerability that allows authenticated users with low privileges to inject and execute arbitrary code on the site. The vulnerability affects the entire application scope due to changed scope impact. An attacker can read sensitive data, modify site content, or disrupt service availability.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site, read sensitive data, modify content, or disable the site.

Potential impact on your site

04Site Impact

Any low-privilege user account (subscriber, contributor, etc.) can compromise the entire site.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account and network access to the site.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-65548 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/94.html AskarLabs — CWE-94 write-up Code Injection

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