How severe is CVE-2023-1196?

CVE-2023-1196 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-1196 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1196?

CVE-2023-1196 affects Advancedcustomfields Advanced Custom Fields. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1196?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-1196 published?

CVE-2023-1196 was published on 2023-05-02 and last updated on 2026-06-17.

CVE-2023-1196

CVE-2023-1196 is a high-severity vulnerability in Advancedcustomfields Advanced Custom Fields with a CVSS 3.x base score of 8.8. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Advancedcustomfields Advanced Custom Fields
Published: 2023-05-02
Last modified: 2026-06-17

Description

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.

Frequently asked questions

What is CVE-2023-1196?: The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.
How severe is CVE-2023-1196?: CVE-2023-1196 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-1196 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1196?: CVE-2023-1196 affects Advancedcustomfields Advanced Custom Fields. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1196?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-1196 published?: CVE-2023-1196 was published on 2023-05-02 and last updated on 2026-06-17.

References

Affected products (1)

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

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