SecuriTricks - CVE-2025-54940

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.

Product(s) Impacted

Vendor	Product	Versions
Advanced Custom Fields	Advanced Custom Fields	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-94

Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	advanced_custom_fields	advanced_custom_fields	/	/	/	/	/	wordpress	/	/

References

https://jvn.jp/en/jp/JVN21048820/

https://www.advancedcustomfields.com/blog/acf-6-4-3-security-release/

CVSS Score

4.6 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: HIGH
User Interaction: ACTIVE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Aug. 8, 2025, 5:15 a.m.
Last Modified: Aug. 8, 2025, 5:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

vultures@jpcert.or.jp

CVE-2025-54940