VulnerabilityDeferred

CVE-2025-54940

An HTML injection vulnerability exists in WordPress plugin "Advanced Custom Fields" prior to 6.4.3.

MEDIUM 4.6EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 4.6 MEDIUMCVSS: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/M
EPSS: 0.21% probability · 11th percentile
CISA KEV: Not listed
Weakness: CWE-94
Source: vultures@jpcert.or.jp

References

https://jvn.jp/en/jp/JVN21048820/
https://www.advancedcustomfields.com/blog/acf-6-4-3-security-release/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.