CVE-2025-54940

4.6 mediumEPSS 0.2%

Medium (4.6). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

4.6 medium

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

CVSS 3.0

3.4 low

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2025-08-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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