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CVE-2021-32809

MEDIUMCVSS 5.4/10EPSS 1.19%

Last modified

CVE-2021-32809 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CkeditorCkeditor>= 4.5.2, < 4.16.2
FedoraprojectFedora33
FedoraprojectFedora34
FedoraprojectFedora35
OracleApplication Express< 21.1.4
OracleBanking Party Management2.7.0
OracleCommerce Guided Search11.3.2
OracleCommerce Merchandising11.3.2
OracleDocumaker12.6.3
OracleDocumaker12.6.4
OracleFinancial Services Analytical Applications Infrastructure>= 8.0.7, <= 8.1.1
OracleJd Edwards Enterpriseone Tools< 9.2.6.0
OraclePeoplesoft Enterprise Peopletools8.57
OraclePeoplesoft Enterprise Peopletools8.58
OraclePeoplesoft Enterprise Peopletools8.59

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-32809?
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.
How severe is CVE-2021-32809?
CVE-2021-32809 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32809?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32809?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST