Vulnerability in Ckeditor
CVE-2021-26271
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).
EPSS: 0.020 (78.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Ckeditor
- Oracle Agile_plm — versions 9.3.5, 9.3.6
- Oracle Application_express
- Oracle Financial_services_analytical_applications_infrastructure — versions 8.1.0, 8.1.1
- Oracle Jd_edwards_enterpriseone_tools
- Oracle Siebel_ui_framework
- Oracle Webcenter_sites — versions 12.2.1.3.0, 12.2.1.4.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26271?
- CVE-2021-26271 is a medium-severity vulnerability in Ckeditor, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 6.5/10. Published 2021-01-26.
- How severe is CVE-2021-26271?
- Medium severity. CVSS v3 base score is 6.5 out of 10.