# CVE-2026-81654: NextGEN Gallery < 4.5.0 - Authenticated Plugin Image Settings Update

> Authenticated users with gallery-management rights can modify site-wide image settings due to missing capability checks in the NextGEN Gallery plugin.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:N/AC:H/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:** 20 Sep 2026
- **Updated:** 20 Sep 2026
- **Also known as:** GHSA-xcq4-7q66-rcp3

## What is CVE-2026-81654?

CVE-2026-81654 is a low-severity missing authorization vulnerability in Unknown Photo Gallery, Sliders, Proofing and Themes, published on 20 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Photo Gallery, Sliders, Proofing and   WordPress plugin before 4.5.0 does not check that a user holds its options capability before saving image sizing settings, allowing users granted only its gallery-management capability by an administrator to change settings that apply across the whole site.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-81654?


## How do I fix CVE-2026-81654?

No fix has been published for CVE-2026-81654 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-81654 being exploited?

There is no known exploitation of CVE-2026-81654 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-81654 and fix it if it is affected.

What it is: CVE-2026-81654 is a low-severity missing authorization vulnerability in Unknown Photo Gallery, Sliders, Proofing and Themes, published on 20 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-2026-81654 in the wild and no public exploit code.

Affected product: Unknown Photo Gallery, Sliders, Proofing and Themes. 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-2026-81654/ (Markdown: https://insights.sbomify.com/CVE-2026-81654/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-81654
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-81654
- OSV: https://osv.dev/vulnerability/CVE-2026-81654

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-81654/
Summaries are generated and may contain mistakes; the official description above is the record.