What’s Vulnerable › Vulnerabilities

CVE-2025-54940

• Severity: medium (CVSS 4.6 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-08 · updated 2026-06-17
• Weakness: CWE-94

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.

Affected products

• WPEngine, Inc. Advanced Custom Fields: before 6.4.3

References

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

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