# CVE-2024-37888: The Open Link CKEditor plugin has a cross-site scripting (XSS) vulnerability in open link functionality

> Attackers can execute arbitrary JavaScript via the Open Link plugin's link handling, affecting CKEditor users.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 14 Jun 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-rhxf-gvmh-hrxm

## What is CVE-2024-37888?

CVE-2024-37888 is a medium-severity cross-site scripting vulnerability in mlewand ckeditor-plugin-openlink, published on 14 Jun 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Open Link is a CKEditor plugin, extending context menu with a possibility to open link in a new tab. The vulnerability allowed to execute JavaScript code by abusing link href attribute. It affects all users using the Open Link plugin at version < **1.0.5**.

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

## Which versions are affected by CVE-2024-37888?

It affects 1 product.


Products: Mlewand Open Link.

## How do I fix CVE-2024-37888?

No fix has been published for CVE-2024-37888 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-37888 being exploited?

There is no known exploitation of CVE-2024-37888 in the wild and no public exploit code.

Public exploit code:

- XSS PoC/Exploit for Open Link Plugin for CKEditor 4 (github_poc): https://github.com/7Ragnarok7/CVE-2024-37888

## Other vulnerabilities in mlewand ckeditor-plugin-openlink

- [CVE-2024-45400](https://insights.sbomify.com/CVE-2024-45400/): CKEditor Open Link plugin vulnerable to Cross-site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-37888 and fix it if it is affected.

What it is: CVE-2024-37888 is a medium-severity cross-site scripting vulnerability in mlewand ckeditor-plugin-openlink, published on 14 Jun 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-37888 in the wild and no public exploit code.

Affected product: mlewand ckeditor-plugin-openlink. 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-2024-37888/ (Markdown: https://insights.sbomify.com/CVE-2024-37888/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-37888
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-37888
- OSV: https://osv.dev/vulnerability/CVE-2024-37888

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-37888/
Summaries are generated and may contain mistakes; the official description above is the record.