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Vulnerability record · CVE-2022-48110 · published 13 February 2023

CVE-2022-48110: Ckeditor cross-site scripting vulnerability

Ckeditor · Ckeditor

CKSource CKEditor 5 35.4.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Full Featured CKEditor5 widget. NOTE: the vendor's position is that this is not a vulnerability. The CKEditor 5 documentation discusses that it is the responsibility of an integrator (who is adding CKEditor 5 functionality to a website) to choose the correct security settings for their use case. Also, safe default values are established (e.g., config.htmlEmbed.showPreviews is false).

6.1 CVSS 3.1 Medium EPSS 2.1% · top 19.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

CKSource CKEditor 5 35.4.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Full Featured CKEditor5 widget. NOTE: the vendor's position is that this is not a vulnerability. The CKEditor 5 documentation discusses that it is the responsibility of an integrator (who is adding CKEditor 5 functionality to a website) to choose the correct security settings for their use case. Also, safe default values are established (e.g., config.htmlEmbed.showPreviews is false).

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://ckeditor.com/docs/ckeditor5/latest/features/html-embed.html Vendor Advisory
https://packetstormsecurity.com/files/170927/CKSource-CKEditor5-35.4.0-Cross-Site-Scripting.html Broken Link
https://ckeditor.com/docs/ckeditor5/latest/features/html-embed.html Vendor Advisory
https://packetstormsecurity.com/files/170927/CKSource-CKEditor5-35.4.0-Cross-Site-Scripting.html Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-48110), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.