# CVE-2026-7622: ThumbPress <= 6.2.1 - Missing Authorization to Authenticated (Subscriber+) Plugin Deactivation

> Authenticated subscribers can deactivate the ThumbPress plugin due to missing capability checks and nonce verification in the deactivation survey handler.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Sep 2026
- **Updated:** 22 Sep 2026
- **Also known as:** GHSA-4r25-cpgx-8q2p

## What is CVE-2026-7622?

CVE-2026-7622 is a medium-severity missing authorization vulnerability in codexpert ThumbPress – Compress Images, Manage Thumbnails, Detect Image Issues, WebP/AVIF, Lazy Loading, Hotlinking & More, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The ThumbPress plugin for WordPress is vulnerable to unauthorized access in versions up to and including 6.2.1. This is due to missing capability checks and nonce verification in the send_deactivation_survey() function registered via the wp_ajax_pl-plugin-deactivation AJAX action. This makes it possible for authenticated attackers, with Subscriber-level access and above, to deactivate the ThumbPress plugin on the affected site by sending a crafted POST request to admin-ajax.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-7622?


## How do I fix CVE-2026-7622?

No fix has been published for CVE-2026-7622 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7622 being exploited?

There is no known exploitation of CVE-2026-7622 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7622 and fix it if it is affected.

What it is: CVE-2026-7622 is a medium-severity missing authorization vulnerability in codexpert ThumbPress – Compress Images, Manage Thumbnails, Detect Image Issues, WebP/AVIF, Lazy Loading, Hotlinking & More, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-7622 in the wild and no public exploit code.

Affected product: codexpert ThumbPress – Compress Images, Manage Thumbnails, Detect Image Issues, WebP/AVIF, Lazy Loading, Hotlinking & More. 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-2026-7622/ (Markdown: https://insights.sbomify.com/CVE-2026-7622/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7622
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7622
- OSV: https://osv.dev/vulnerability/CVE-2026-7622

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-7622/
Summaries are generated and may contain mistakes; the official description above is the record.