# CVE-2026-82607: Cozmoslabs Profile Builder Plugin Avatar Simple Upload AJAX admin-ajax.php wppb_ajax_simple_avatar unrestricted upload

> Remote attackers can upload malicious files via the Avatar Simple Upload AJAX handler, potentially leading to code execution on WordPress sites.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Aug 2026
- **Updated:** 31 Aug 2026
- **Also known as:** GHSA-vpqq-55px-363c

## What is CVE-2026-82607?

CVE-2026-82607 is a medium-severity vulnerability in Cozmoslabs Profile Builder Plugin, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### 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.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-82607?


## How do I fix CVE-2026-82607?

No fix has been published for CVE-2026-82607 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82607 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82607 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82607 and fix it if it is affected.

What it is: CVE-2026-82607 is a medium-severity vulnerability in Cozmoslabs Profile Builder Plugin, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82607 exists.

Affected product: Cozmoslabs Profile Builder Plugin. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-82607/ (Markdown: https://insights.sbomify.com/CVE-2026-82607/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82607
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82607
- OSV: https://osv.dev/vulnerability/CVE-2026-82607

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-82607/
Summaries are generated and may contain mistakes; the official description above is the record.