CVE-2024-37888 — The Open Link is a CKEditor plugin, extending context menu with a possibility to

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
mlewand	ckeditor	plugin-openlink — < 1.0.5

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-06-14T17:17:26.758Z
• Last modified: 2024-08-02T03:57:40.013Z

09References

• github.com — https://github.com/mlewand/ckeditor-plugin-openlink/security/advisories/GHSA-rhx…