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Vulnerability record · CVE-2020-27193 · published 12 November 2020

CVE-2020-27193: Ckeditor cross-site scripting vulnerability

Ckeditor · Ckeditor

A cross-site scripting (XSS) vulnerability in the Color Dialog plugin for CKEditor 4.15.0 allows remote attackers to run arbitrary web script after persuading a user to copy and paste crafted HTML code into one of editor inputs.

6.1 CVSS 3.1 Medium EPSS 2.0% · top 19.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
12References
25 Aug 2026Last modified by NVD

Description

A cross-site scripting (XSS) vulnerability in the Color Dialog plugin for CKEditor 4.15.0 allows remote attackers to run arbitrary web script after persuading a user to copy and paste crafted HTML code into one of editor inputs.

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

Affected products

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

References

LinkTags
https://ckeditor.com/blog/CKEditor-4.15.1-with-a-security-patch-released/ Release NotesVendor Advisory
https://ckeditor.com/cke4/release/CKEditor-4.15.1 Release NotesVendor Advisory
https://ckeditor.com/ckeditor-4/download/ Release NotesVendor Advisory
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory
https://ckeditor.com/blog/CKEditor-4.15.1-with-a-security-patch-released/ Release NotesVendor Advisory
https://ckeditor.com/cke4/release/CKEditor-4.15.1 Release NotesVendor Advisory
https://ckeditor.com/ckeditor-4/download/ Release NotesVendor Advisory
https://www.oracle.com//security-alerts/cpujul2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-27193), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.