An HTML injection vulnerability exists in WordPress plugin "Advanced Custom...

4.6 CVSS

Vulnerability Description

An HTML injection vulnerability exists in WordPress plugin "Advanced Custom Fields" prior to 6.4.3. If this vulnerability is exploited, crafted HTML code may be rendered and page display may be tampered.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

WPEngine, Inc.

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Affected Software

Advanced Custom Fields

Vulnerable Versions:

prior to 6.4.3

Timeline

Official Publish: August 8th, 2025

Last Modified: August 8th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

Weaknesses (CWE)

CWE-94

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1059 Command and Scripting Interpreter

Execution

T1505.003 Web Shell

Persistence

T1105 Ingress Tool Transfer

Command and Control

T1565.002 Stored Data Manipulation

Impact