Arbitrary file upload in Cozmoslabs Profile Builder Plugin
CVE-2026-82607
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Cozmoslabs Profile Builder Plugin — versions 3.16.0, 3.16.1
Weakness classification (CWE)
References
- vuldb.com/vuln/397108 (technical-description, vdb-entry)
- vuldb.com/vuln/397108/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82607 (third-party-advisory)
- vuldb.com/submit/892841 (third-party-advisory)
- ciphersecuritylabs.com/research/articles/when-the-browser-is-the-only-bouncer-u… (exploit)
- www.cozmoslabs.com/docs/profile-builder/free-changelog/ (release-notes, patch)
Frequently asked questions
- What is CVE-2026-82607?
- CVE-2026-82607 is a high-severity vulnerability in Cozmoslabs Profile Builder Plugin, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-08-31.
- How severe is CVE-2026-82607?
- High severity. CVSS v3 base score is 7.3 out of 10.