Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-30777 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software Subscribe |
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 medium risk vulnerability.
EUVDB-ID: #VU76106
Risk: Medium
CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID: CVE-2023-30777
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe 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 trick the victim to follow a specially crafted link and 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.
Exploitation example:
http://[host]/wp-admin/edit.php?post_type=acf-field-group&post_status=xxxxxxx" onload=alert(document.domain) xxx="
Mitigation
Install updates from vendor's website.
Vulnerable software versionsAdvanced Custom Fields: 5.9.5 - 6.1.4
Advanced Custom Fields Pro: before 6.1.5
External linkshttp://patchstack.com/database/vulnerability/advanced-custom-fields-pro/wordpress-advanced-custom-fields-pro-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
http://patchstack.com/articles/reflected-xss-in-advanced-custom-fields-plugins-affecting-2-million-sites?_s_id=cve
http://patchstack.com/database/vulnerability/advanced-custom-fields/wordpress-advanced-custom-fields-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
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?
Yes. This vulnerability is being exploited in the wild.