XSS in Ckeditor
CVE-2021-32808
ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.012 (66.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Ckeditor
- Ckeditor Ckeditor4 — versions >= 4.13.0, < 4.16.2
- Oracle Application_express
- Oracle Banking_party_management — versions 2.7.0
- Oracle Commerce_guided_search — versions 11.3.2
- Oracle Commerce_merchandising — versions 11.3.2
- Oracle Documaker — versions 12.6.3, 12.6.4
- Oracle Financial_services_analytical_applications_infrastructure
- Oracle Financial_services_model_management_and_governance — versions 8.0.8.0.0, 8.1.0.0.0
- Oracle Jd_edwards_enterpriseone_tools
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-32808?
- CVE-2021-32808 is a high-severity vulnerability in Ckeditor, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-08-12.
- How severe is CVE-2021-32808?
- High severity. CVSS v3 base score is 7.6 out of 10.