CVE-2021-32809

lowpriority · track · 22EPSS 0.012 · 68 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 3.5 · low

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.4mediumAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.6mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.14.6mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 2.1 · impact 2.5

v3.14.6mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-94USCWE-94USCWE-94US

affected products (21)

Products and version ranges known to be affected.

ckeditor ckeditor44.5.2, → 4.16.2enisa_euvdEU
The CKEditor Team CKEditor4.5.2 → 4.16.2fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
ckeditor ckeditor4.5.2 → 4.16.2nvdUScpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 34nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 35nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
oracle application express< 21.1.4nvdUScpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*
oracle banking party management= 2.7.0nvdUScpe:2.3:a:oracle:banking_party_management:*:*:*:*:*:*:*:*
oracle commerce guided search= 11.3.2nvdUScpe:2.3:a:oracle:commerce_guided_search:*:*:*:*:*:*:*:*
oracle commerce merchandising= 11.3.2nvdUScpe:2.3:a:oracle:commerce_merchandising:*:*:*:*:*:*:*:*
oracle documaker= 12.6.3nvdUScpe:2.3:a:oracle:documaker:*:*:*:*:*:*:*:*
oracle documaker= 12.6.4nvdUScpe:2.3:a:oracle:documaker:*:*:*:*:*:*:*:*
oracle financial services analytical applications infrastructure8.0.7 → 8.1.1nvdUScpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*
oracle jd edwards enterpriseone tools< 9.2.6.0nvdUScpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise peopletools= 8.57nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise peopletools= 8.58nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*
oracle peoplesoft enterprise peopletools= 8.59nvdUScpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7889-rm5j-hpggClipboard feature vulnerability allowing to inject arbitrary HTML into the editor using paste functionality2021-08-23ghsa · osvUS
### Affected packages The vulnerability has been discovered in [clipboard](https://ckeditor.com/cke4/addon/clipboard) plugin. All plugins with [clipboard](https://ckeditor.com/cke4/addon/clipboard) plugin dependency are affected: * [clipboard](https://ckeditor.com/cke4/addon/clipboard) * [pastetext](https://ckeditor.com/cke4/addon/pastetext) * [pastetools](https://ckeditor.com/cke4/addon/pastetools) * [widget](https://ckeditor.com/cke4/addon/widget) * [uploadwidget](https://ckeditor.com/cke4/addon/uploadwidget) * [autolink](https://ckeditor.com/cke4/addon/autolink) * [tableselection](https://ckeditor.com/cke4/addon/tableselection) ### Impact A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. ### Patches The problem has been recognized and patched. The fix will be available in version 4.16.2. ### For more information Email us at security@cksource.com if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank Anton Subbotin ([skavans](https://github.com/skavans)) for recognizing and reporting this vulnerability.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2021-08-12modified 2026-06-17

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+53006 more

references (23)

External citations — patches, advisories, analysis.

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