Unrestricted Upload/RCE in Neosense theme for WordPress
Neosense is a WordPress theme by dynamicpress.
Neosense theme version 1.7 contains an unrestricted file upload vulnerability.
Version 1.7 (and possibly earlier) includes in its theme directory a copy of
the "qquploader" ajax file uploader, which does not verify user authorization.
Using this uploader, an attacker can upload any file to the site. The uploaded
file is placed in the wp-content/uploads/YYYY/mm directory, which is normally
The vulnerability can be used to achieve remote code execution by uploading a
PHP script with extension .php or .phtml.
The vulnerability was fixed in Neosense theme 1.8 by switching to WordPress
core functions for file uploads.
- 12 Aug: Vulnerability submitted to dynamicpress
- 16 Aug: Response by dynamicpress
- 29 Aug: Neosense theme 1.8 released by dynamicpress
- 19 Sep: Vulnerability published
The vulnerability was found by Walter Hop, Slik BV, The Netherlands.
Walter Hop | PGP key: https://lifeforms.nl/pgp
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