Vulnerability · Published Nov 16, 2023 · Assigned by INCIBE

CVE-2023-4771Cross-Site Scripting vulnerability in CKSource CKEditor

Medium 6.1

In plain English

A medium-severity cross-site scripting in CKEditor from CKSource. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.9%top 40.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ckeditorno fix listedDEBIAN-CVE-2023-4771
Ubuntu:22.04:LTSckeditor3no fix listedUBUNTU-CVE-2023-4771
Ubuntu:24.04:LTSckeditor3no fix listedUBUNTU-CVE-2023-4771
Ubuntu:22.04:LTSldap-account-managerno fix listedUBUNTU-CVE-2023-4771
Ubuntu:24.04:LTSldap-account-managerno fix listedUBUNTU-CVE-2023-4771
Ubuntu:25.10ldap-account-managerno fix listedUBUNTU-CVE-2023-4771
Ubuntu:26.04:LTSldap-account-managerno fix listedUBUNTU-CVE-2023-4771
Ubuntu:22.04:LTSrequest-tracker4no fix listedUBUNTU-CVE-2023-4771
Ubuntu:24.04:LTSrequest-tracker4no fix listedUBUNTU-CVE-2023-4771
Ubuntu:25.10request-tracker4no fix listedUBUNTU-CVE-2023-4771
Ubuntu:26.04:LTSrequest-tracker4no fix listedUBUNTU-CVE-2023-4771
npmckeditor44.24.0-ltsGHSA-wh5w-82f3-wrxh

Affected products (as reported)

VendorProductVersions
CKSource CKEditor 0 – through 4.15.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References