# CVE-2024-3639: Elementor Addons by Livemesh <= 8.3.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Posts Grid

> Authenticated contributors can inject arbitrary scripts via the Posts Grid widget, leading to stored XSS execution on victim pages.

- **Severity:** Medium 6.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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:** 4 Jul 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-c54q-7px7-pfhr

## What is CVE-2024-3639?

CVE-2024-3639 is a medium-severity cross-site scripting vulnerability in Livemesh Addons by Elementor, published on 4 Jul 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Elementor Addons by Livemesh plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's  Posts Grid widget in all versions up to, and including, 8.3.7 due to insufficient input sanitization and output escaping on user supplied attributes like 'grid_skin'. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2024-3639?

It affects 1 product.


Products: Livemeshelementor Addons for Elementor.

## How do I fix CVE-2024-3639?

No fix has been published for CVE-2024-3639 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-3639 being exploited?

There is no known exploitation of CVE-2024-3639 in the wild and no public exploit code.

## Other vulnerabilities in Livemesh Addons by Elementor

- [CVE-2024-2385](https://insights.sbomify.com/CVE-2024-2385/): Elementor Addons by Livemesh <= 8.4 - Authenticated (Contributor+) Limited Local File Inclusion via Widgets (high 8.8)
- [CVE-2024-47303](https://insights.sbomify.com/CVE-2024-47303/): WordPress Elementor Addons by Livemesh plugin <= 8.5 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-25598](https://insights.sbomify.com/CVE-2024-25598/): WordPress Elementor Addons by Livemesh plugin <= 8.3 - Cross Site Scripting (XSS) vulnerability (medium 6.5)
- [CVE-2024-27986](https://insights.sbomify.com/CVE-2024-27986/): WordPress Livemesh Addons for Elementor Plugin <= 8.3.5 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)
- [CVE-2024-8858](https://insights.sbomify.com/CVE-2024-8858/): Cross-site scripting in Livemesh Addons by Elementor (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-3639 and fix it if it is affected.

What it is: CVE-2024-3639 is a medium-severity cross-site scripting vulnerability in Livemesh Addons by Elementor, published on 4 Jul 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-2024-3639 in the wild and no public exploit code.

Affected product: Livemesh Addons by Elementor. 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-2024-3639/ (Markdown: https://insights.sbomify.com/CVE-2024-3639/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-3639
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3639
- OSV: https://osv.dev/vulnerability/CVE-2024-3639

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-3639/
Summaries are generated and may contain mistakes; the official description above is the record.