SB2023051503 - Cross-site scripting in Advanced Custom Fields plugin for WordPress

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Main Vulnerability Database SB2023051503

SB2023051503 - Cross-site scripting in Advanced Custom Fields plugin for WordPress

Published: May 15, 2023 Updated: June 26, 2023

Security Bulletin ID SB2023051503
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cross-site scripting (CVE-ID: CVE-2023-30777)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Green


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 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="


Remediation

Install update from vendor's website.

References