CVE-2023-4771

Cross-Site Scripting vulnerability in CKSource CKEditor

Description

A Cross-Site scripting vulnerability has been found in CKSource CKEditor affecting versions 4.15.1 and earlier. An attacker could send malicious javascript code through the /ckeditor/samples/old/ajax.html file and retrieve an authorized user's information.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 19.86% Top 5%
Third-Party Advisory incibe.es
Affected: CKSource CKEditor
Published at:
Updated at:

References

Link Tags
https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-4771?
CVE-2023-4771 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4771?
To fix CVE-2023-4771, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4771 being actively exploited in the wild?
It is possible that CVE-2023-4771 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~20% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4771?
CVE-2023-4771 affects CKSource CKEditor.
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