CVE Catalog

CVE-2026-6261

High
Published: Translated: NVD NIST

Summary

The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to and including 28.4. This is due to the upload_icons() function workflow moving and unzipping user-controlled ZIP files into a public uploads directory without validating extracted file types.

Risk Assessment

Authenticated attackers with author-level access and above can upload arbitrary files, including PHP, leading to remote code execution. This poses a serious security threat to the system.

Recommendation

It is recommended to update the Betheme theme to the latest version to mitigate this vulnerability. Additionally, implementing further file upload validation mechanisms is advisable.

Related vulnerabilities

Original NVD description (English source)

The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28.4. This is due to the upload_icons() function workflow moving and unzipping user-controlled ZIP files into a public uploads directory without validating extracted file types. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files (including PHP) and achieve remote code execution via the Icons icon-pack upload flow.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS