How severe is CVE-2023-40068?

CVE-2023-40068 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-40068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40068?

CVE-2023-40068 primarily affects Advancedcustomfields Advanced Custom Fields. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-40068?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40068 published?

CVE-2023-40068 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-40068

CVE-2023-40068 is a medium-severity vulnerability in Advancedcustomfields Advanced Custom Fields with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Advancedcustomfields Advanced Custom Fields
Published: 2023-08-21
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege.

Frequently asked questions

What is CVE-2023-40068?: Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege.
How severe is CVE-2023-40068?: CVE-2023-40068 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-40068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40068?: CVE-2023-40068 primarily affects Advancedcustomfields Advanced Custom Fields. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-40068?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40068 published?: CVE-2023-40068 was published on 2023-08-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:advancedcustomfields:advanced_custom_fields:*:*:*:*:-:wordpress:*:*
cpe:2.3:a:advancedcustomfields:advanced_custom_fields:*:*:*:*:pro:wordpress:*:*

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