# CVE-2023-3957: ACF Photo Gallery Field <= 1.9 - Authenticated (Subscriber+) Arbitrary Usermeta Update

> Authenticated subscribers can arbitrarily update user metadata due to insufficient restrictions in the ACF Photo Gallery Field plugin.

- **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:** 27 Jul 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-h24q-rf77-p6mc

## What is CVE-2023-3957?

CVE-2023-3957 is a medium-severity missing authorization vulnerability in navzme ACF Photo Gallery Field, published on 27 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The ACF Photo Gallery Field plugin for WordPress is vulnerable to unauthorized modification of data due to an insufficient restriction on the 'apg_profile_update' function in versions up to, and including, 1.9. This makes it possible for authenticated attackers, with subscriber-level permissions or above, to update the user metas arbitrarily. The meta value can only be a string.

Weakness: CWE-863 (Incorrect Authorization), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2023-3957?

It affects 1 product.


Products: Navz Acf Photo Gallery Field.

## How do I fix CVE-2023-3957?

No fix has been published for CVE-2023-3957 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3957 being exploited?

There is no known exploitation of CVE-2023-3957 in the wild and no public exploit code.

## Other vulnerabilities in navzme ACF Photo Gallery Field

- [CVE-2021-24909](https://insights.sbomify.com/CVE-2021-24909/): ACF Photo Gallery Field < 1.7.5 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3957 and fix it if it is affected.

What it is: CVE-2023-3957 is a medium-severity missing authorization vulnerability in navzme ACF Photo Gallery Field, published on 27 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-3957 in the wild and no public exploit code.

Affected product: navzme ACF Photo Gallery Field. 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-2023-3957/ (Markdown: https://insights.sbomify.com/CVE-2023-3957/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3957
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3957
- OSV: https://osv.dev/vulnerability/CVE-2023-3957

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3957/
Summaries are generated and may contain mistakes; the official description above is the record.