The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28
Description
The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28
AI Analyst Comment
Remediation
Update WordPress plugin/theme to the latest version. Review WordPress security settings and remove if no longer needed.
---METADATA---
VENDOR: Betheme
PRODUCT: Betheme
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---
Description Summary:
The Betheme theme for WordPress is vulnerable to arbitrary file upload, which can allow attackers to execute malicious code on the server.
Executive Summary:
A critical arbitrary file upload vulnerability in the Betheme WordPress theme enables attackers to perform remote code execution, posing a severe risk to server security.
Vulnerability Details
CVE-ID: CVE-2026-6261
Affected Software: Betheme
Affected Versions: See vendor advisory for specific affected versions
Vulnerability: This is an arbitrary file upload vulnerability that allows an attacker to upload malicious files, such as web shells, to the server. If successful, this can lead to full site compromise and remote code execution.
Business Impact
With a CVSS score of 8.8, this is a critical vulnerability that grants an attacker the ability to execute code in the context of the web server. This could lead to complete site takeover, persistent backdoors, and potential lateral movement within the hosting infrastructure.
Remediation Plan
Immediate Action: Update the Betheme theme to the latest version immediately to close the insecure file upload vector.
Proactive Monitoring: Scan the web server directories for unauthorized or suspicious files, particularly in upload paths, and monitor for unexpected server-side execution logs.
Compensating Controls: Restrict file upload capabilities via server configurations and utilize a WAF to inspect and block non-authorized file types during upload requests.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of May 6, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.
Analyst Recommendation
This vulnerability represents a severe threat to server integrity. Administrators must prioritize updating the theme and performing a comprehensive security audit of the file system to ensure no malicious artifacts were introduced prior to the patch.