XSS in Advanced Custom Fields WordPress plugin



Published: 2023-08-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-40068
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Advanced Custom Fields
Web applications / Modules and components for CMS

Advanced Custom Fields Pro
Web applications / Modules and components for CMS

Vendor Elliot Condon

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU79807

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40068

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. The vulnerability allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege.

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 update from vendor's website.

Vulnerable software versions

Advanced Custom Fields: 6.1.0 - 6.1.7

Advanced Custom Fields Pro: 6.1.0 - 6.1.7

External links

http://wordpress.org/plugins/advanced-custom-fields/
http://www.advancedcustomfields.com/
http://jvn.jp/en/jp/JVN98946408/
http://www.advancedcustomfields.com/blog/acf-6-1-8/


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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