CVE-2021-33829
high-risk
Published 2021-06-09
A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!> is mishandled.
Do I need to act?
!
49.7% chance of exploitation in next 30 days
EPSS score — higher than 50% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10
Medium
NETWORK
/ LOW complexity
Affected Vendors
References (12)
54
/ 100
high-risk
Severity
23/34 · High
Exploitability
18/34 · Moderate
Exposure
13/34 · Low