ghsa-x9gp-vjh6-3wv6
Vulnerability from github
Published
2025-09-03 18:03
Modified
2025-09-04 13:51
Severity ?
Summary
CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package
Details
Impact
A Cross-Site Scripting (XSS) vulnerability has been discovered in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration.
This vulnerability affects only installations where the editor configuration meets one of the following criteria:
- HTML embed plugin is enabled
- Custom plugin introducing editable element which implements view RawElement is enabled
Patches
The problem has been recognized and patched. The fix will be available in version 46.0.3 (and above), and explicitly in version 45.2.2.
For more information
Email us at security@cksource.com if you have any questions or comments about this advisory.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "ckeditor5"
},
"ranges": [
{
"events": [
{
"introduced": "46.0.0"
},
{
"fixed": "46.0.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "@ckeditor/ckeditor5-clipboard"
},
"ranges": [
{
"events": [
{
"introduced": "44.2.0"
},
{
"fixed": "45.2.2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "ckeditor5"
},
"ranges": [
{
"events": [
{
"introduced": "44.2.0"
},
{
"fixed": "45.2.2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "@ckeditor/ckeditor5-clipboard"
},
"ranges": [
{
"events": [
{
"introduced": "46.0.0"
},
{
"fixed": "46.0.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-58064"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2025-09-03T18:03:20Z",
"nvd_published_at": "2025-09-04T10:42:32Z",
"severity": "LOW"
},
"details": "### Impact\nA Cross-Site Scripting (XSS) vulnerability has been discovered in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration.\n\nThis vulnerability affects **only** installations where the editor configuration meets one of the following criteria:\n- [HTML embed plugin](https://ckeditor.com/docs/ckeditor5/latest/features/html/html-embed.html) is enabled\n- Custom plugin introducing editable element which implements view [`RawElement`](https://ckeditor.com/docs/ckeditor5/latest/api/module_engine_view_rawelement-ViewRawElement.html) is enabled\n\n### Patches\nThe problem has been recognized and patched. The fix will be available in version 46.0.3 (and above), and explicitly in version 45.2.2.\n\n### For more information\nEmail us at [security@cksource.com](mailto:security@cksource.com) if you have any questions or comments about this advisory.",
"id": "GHSA-x9gp-vjh6-3wv6",
"modified": "2025-09-04T13:51:52Z",
"published": "2025-09-03T18:03:20Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-x9gp-vjh6-3wv6"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58064"
},
{
"type": "WEB",
"url": "https://github.com/ckeditor/ckeditor5/commit/b210e90c6cf84e662ef6c7daf93a92355a961bf2"
},
{
"type": "PACKAGE",
"url": "https://github.com/ckeditor/ckeditor5"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "CKEditor 5 cross-site scripting (XSS) vulnerability in the clipboard package"
}
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.