# CVE-2023-6528: Slider Revolution < 6.6.19 - Author+ Insecure Deserialization leading to RCE

> Authors can achieve remote code execution via insecure deserialization when importing sliders in the Slider Revolution WordPress plugin.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 8 Jan 2024
- **Updated:** 3 Jun 2025
- **Also known as:** GHSA-q942-jjg3-5jhx

## What is CVE-2023-6528?

CVE-2023-6528 is a high-severity unsafe deserialization vulnerability in Unknown Slider Revolution, published on 8 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Slider Revolution WordPress plugin before 6.6.19 does not prevent users with at least the Author role from unserializing arbitrary content when importing sliders, potentially leading to Remote Code Execution.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2023-6528?

It affects 1 product.


Products: Themepunch Slider Revolution.

## How do I fix CVE-2023-6528?

No fix has been published for CVE-2023-6528 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6528 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6528 exists.

## Other vulnerabilities in Unknown Slider Revolution

- [CVE-2023-2359](https://insights.sbomify.com/CVE-2023-2359/): Revolution Slider <= 6.6.12 - Author+ Remote Code Execution (high 8.8)
- [CVE-2023-47784](https://insights.sbomify.com/CVE-2023-47784/): WordPress Slider Revolution Plugin <= 6.6.15 is vulnerable to Arbitrary File Upload (high 8.4)
- [CVE-2024-34444](https://insights.sbomify.com/CVE-2024-34444/): WordPress Slider Revolution plugin < 6.7.0 - Unauthenticated Broken Access Control vulnerability (high 7.1)
- [CVE-2023-47772](https://insights.sbomify.com/CVE-2023-47772/): WordPress Slider Revolution Plugin <= 6.6.14 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)
- [CVE-2024-8107](https://insights.sbomify.com/CVE-2024-8107/): Slider Revolution <= 6.7.18 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6528 and fix it if it is affected.

What it is: CVE-2023-6528 is a high-severity unsafe deserialization vulnerability in Unknown Slider Revolution, published on 8 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6528 exists.

Affected product: Unknown Slider Revolution. 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-2023-6528/ (Markdown: https://insights.sbomify.com/CVE-2023-6528/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6528
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6528
- OSV: https://osv.dev/vulnerability/CVE-2023-6528

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6528/
Summaries are generated and may contain mistakes; the official description above is the record.