# CVE-2023-5251: Grid Plus <= 1.3.2 - Missing Authorization to Authenticated (Subscriber+) Grid Layout Add/Update/Delete

> Authenticated subscribers can add, update, or delete grid layouts due to missing capability checks in the Grid Plus WordPress plugin.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **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:** 30 Oct 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-cxcr-4mx7-3jpm

## What is CVE-2023-5251?

CVE-2023-5251 is a medium-severity missing authorization vulnerability in g5theme Grid Plus – Unlimited grid layout, published on 30 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Grid Plus plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on the 'grid_plus_save_layout_callback' and 'grid_plus_delete_callback' functions in versions up to, and including, 1.3.2. This makes it possible for authenticated attackers with subscriber privileges or above, to add, update or delete grid layout. CVE-2023-34014 appears to be a duplicate of this issue.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-5251?

It affects 1 product.


Products: G5theme Grid Plus.

## How do I fix CVE-2023-5251?

No fix has been published for CVE-2023-5251 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5251 being exploited?

There is no known exploitation of CVE-2023-5251 in the wild and no public exploit code.

## Other vulnerabilities in g5theme Grid Plus – Unlimited grid layout

- [CVE-2023-5250](https://insights.sbomify.com/CVE-2023-5250/): Grid Plus <= 1.3.3 - Authenticated (Subscriber+) Local File Inclusion via Shortcode (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5251 and fix it if it is affected.

What it is: CVE-2023-5251 is a medium-severity missing authorization vulnerability in g5theme Grid Plus – Unlimited grid layout, published on 30 Oct 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-2023-5251 in the wild and no public exploit code.

Affected product: g5theme Grid Plus – Unlimited grid layout. 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-2023-5251/ (Markdown: https://insights.sbomify.com/CVE-2023-5251/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5251
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5251
- OSV: https://osv.dev/vulnerability/CVE-2023-5251

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5251/
Summaries are generated and may contain mistakes; the official description above is the record.