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.

Category

4.6
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.0 •
EPSS 0.03%
Affected: WPEngine, Inc. Advanced Custom Fields
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-54940?
CVE-2025-54940 has been scored as a medium severity vulnerability.
How to fix CVE-2025-54940?
To fix CVE-2025-54940, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-54940 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-54940 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-54940?
CVE-2025-54940 affects WPEngine, Inc. Advanced Custom Fields.
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