Multiple vulnerabilities in CKEditor



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-43411
CVE-2024-43407
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CKEditor
Web applications / JS libraries

Vendor CKSource

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU96372

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43411

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Note, successful vulnerability exploitation requires control over the https://cke4.ckeditor.com domain.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CKEditor: 4.22.0 - 4.24.0

CPE2.3 External links

https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6v96-m24v-f58j


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU96371

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43407

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Code Snippet GeSHi plugin. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CKEditor: 4.0 basic - 4.24.0

CPE2.3 External links

https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7r32-vfj5-c2jv


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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