CVE-2023-4771 json
Cross-Site Scripting vulnerability in CKSource CKEditor
published 2023-11-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-0753 , GHSA-wh5w-82f3-wrxh
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | ckeditor4 | <4.24.0-lts |
4.24.0-lts |
Affected products
- CKSource CKEditor
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
github.com
/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb
web
-
incibe.es
/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor
web, third-party-advisory
-
github.com
/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh
web
-
nvd.nist.gov
/vuln/detail/CVE-2023-4771
advisory
-
github.com
/ckeditor/ckeditor4
package
Sources
- CVE List CVE-2023-4771
- GitHub Advisory GHSA-wh5w-82f3-wrxh
- NVD CVE-2023-4771
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