CVE-2022-48110

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-13 · updated 2026-06-17
Weakness: CWE-79

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).

Affected products

ckeditor4: 35.4.0

References

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

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