A AegiFlow
MEDIUMCVSS 6.5

CVE-2021-26271

CVE-2021-26271 updated by NVD

Modified
2026-08-27
Sources
nvd

Summary

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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