CVE-2024-24815: CKEditor4 Cross-site Scripting vulnerability caused by incorrect CDATA detection

medium Affects ckeditor/ckeditor. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

CKEditor4 Cross-site Scripting vulnerability caused by incorrect CDATA detection

Package
ckeditor/ckeditor Composer
Affected versions
<4.24.0
Fixed in
4.24.0
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (53.3th percentile)
Published
2024-02-07
Source
osv.dev

References

CWE-79
NVD recordckeditor/ckeditor advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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