Vulnerability Intelligence Report
Cross-Site Scripting vulnerability in CKSource CKEditor
CVE-2023-4771
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.
No Active Exploit Signals
CVSS Base Score
6.1
MEDIUM
Exploitability:2.9
Impact Score:2.8
EPSS Probability:0.88%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| CKSource | CKEditor | 0 <= 4.15.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.878%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Spanish National Cybersecurity Institute, S.A. (INCIBE) · CERT · Spain |
| Reserved | 2023-09-05T11:47:25 |
| Published | 2023-11-16T14:08:47 |
| Patch Date | 2023-11-16 |
| Last Updated | 2024-10-01T14:50:24 |
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