# CVE-2023-6742: Envira Gallery Lite <= 1.8.7.2 - Missing Authorization to Gallery Modification via envira_gallery_insert_images

> Authenticated contributors can modify galleries on other users' posts due to missing capability checks in the Envira Gallery 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:** 11 Jan 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-fpgw-7jq3-8qjp

## What is CVE-2023-6742?

CVE-2023-6742 is a medium-severity missing authorization vulnerability in smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More, published on 11 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Gallery Plugin for WordPress – Envira Photo Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to an improper capability check on the 'envira_gallery_insert_images' function in all versions up to, and including, 1.8.7.1. This makes it possible for authenticated attackers, with contributor access and above, to modify galleries on other users' posts.

Weakness: CWE-754 (Improper Check for Unusual or Exceptional Conditions), CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-6742?

It affects 1 product.


Products: Enviragallery Envira Gallery.

## How do I fix CVE-2023-6742?

No fix has been published for CVE-2023-6742 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6742 being exploited?

There is no known exploitation of CVE-2023-6742 in the wild and no public exploit code.

## Other vulnerabilities in smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More

- [CVE-2022-2190](https://insights.sbomify.com/CVE-2022-2190/): Envira Gallery Lite < 1.8.4.7 - Reflected Cross-Site Scripting (medium 6.1)
- [CVE-2021-24126](https://insights.sbomify.com/CVE-2021-24126/): Envira Gallery Lite < 1.8.3.3 - Authenticated Stored Cross-Site Scripting (medium 5.4)
- [CVE-2020-35581](https://insights.sbomify.com/CVE-2020-35581/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2020-35582](https://insights.sbomify.com/CVE-2020-35582/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2020-9334](https://insights.sbomify.com/CVE-2020-9334/): Cross-site scripting in n/a (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6742 and fix it if it is affected.

What it is: CVE-2023-6742 is a medium-severity missing authorization vulnerability in smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More, published on 11 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-6742 in the wild and no public exploit code.

Affected product: smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & 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-2023-6742/ (Markdown: https://insights.sbomify.com/CVE-2023-6742/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6742
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6742
- OSV: https://osv.dev/vulnerability/CVE-2023-6742

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-6742/
Summaries are generated and may contain mistakes; the official description above is the record.