Vulnerability · Published Aug 31, 2026 · Assigned by VulDB
CVE-2026-82607Cozmoslabs Profile Builder Plugin Avatar Simple Upload AJAX admin-ajax.php wppb_ajax_simple_avatar unrestricted upload
High 7.3
In plain English
A high-severity unrestricted file upload in Profile Builder Plugin from Cozmoslabs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
A vulnerability was found in Cozmoslabs Profile Builder Plugin up to 3.16.1 on WordPress. The impacted element is the function wppb_ajax_simple_avatar of the file /wp-admin/admin-ajax.php of the component Avatar Simple Upload AJAX Handler. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 3.16.2 is sufficient to resolve this issue. It is suggested to upgrade the affected component.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cozmoslabs | Profile Builder Plugin | 3.16.03.16.1 |
Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-397108 | Cozmoslabs Profile Builder Plugin Avatar Simple Upload AJAX admin-ajax.php wppb_ajax_simple_avatar unrestricted upload vdb-entry, technical-description
- VDB-397108 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-82607 | CVE Analysis and Report third-party-advisory
- Submit #892841 | Cozmoslabs Profile Builder – User Profile & User Registration Forms 3.16.1 and earlier Unauthenticated File Upload third-party-advisory
- https://ciphersecuritylabs.com/research/articles/when-the-browser-is-the-only-bouncer-unauthenticated-media-upload-in-profile-builder exploit
- https://www.cozmoslabs.com/docs/profile-builder/free-changelog/ patch, release-notes