High severityNVD Advisory· Published Nov 17, 2021· Updated Aug 4, 2024
Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML
CVE-2021-41164
Description
CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ckeditor4npm | < 4.17.0 | 4.17.0 |
Affected products
3- osv-coords2 versions
>= 8.9.0, < 8.9.20+ 1 more
- (no CPE)range: >= 8.9.0, < 8.9.20
- (no CPE)range: < 4.17.0
Patches
Vulnerability mechanics
References
12- github.com/advisories/GHSA-pvmx-g8h5-cprjghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/mitrevendor-advisory
- nvd.nist.gov/vuln/detail/CVE-2021-41164ghsaADVISORY
- github.com/ckeditor/ckeditor4/blob/major/CHANGES.mdghsaWEB
- github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprjghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJPghsaWEB
- www.drupal.org/sa-core-2021-011ghsaWEB
- www.oracle.com/security-alerts/cpuapr2022.htmlghsaWEB
- www.oracle.com/security-alerts/cpujan2022.htmlghsaWEB
- www.oracle.com/security-alerts/cpujul2022.htmlghsaWEB
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