GHSA-7889-rm5j-hpgg

Source

https://github.com/advisories/GHSA-7889-rm5j-hpgg

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-7889-rm5j-hpgg/GHSA-7889-rm5j-hpgg.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-7889-rm5j-hpgg

Aliases

CVE-2021-32809

Published

2021-08-23T19:40:57Z

Modified

2023-11-01T04:55:31.503872Z

Severity

4.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N CVSS Calculator

Summary

Clipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality

Details

Affected packages

The vulnerability has been discovered in clipboard plugin. All plugins with clipboard plugin dependency are affected:

Impact

A potential vulnerability has been discovered in CKEditor 4 Clipboard package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2.

Patches

The problem has been recognized and patched. The fix will be available in version 4.16.2.

For more information

Email us at security@cksource.com if you have any questions or comments about this advisory.

Acknowledgements

The CKEditor 4 team would like to thank Anton Subbotin (skavans) for recognizing and reporting this vulnerability.

Database specific

{
    "nvd_published_at": "2021-08-12T17:15:00Z",
    "cwe_ids": [
        "CWE-79",
        "CWE-94"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-23T16:49:10Z"
}

References

Affected packages

npm / ckeditor4

Package

Name: ckeditor4; View open source insights on deps.dev
Purl: pkg:npm/ckeditor4

Affected ranges

Type: SEMVER
Events: Introduced

4.5.2

Fixed

4.16.2