How severe is CVE-2023-39345?

CVE-2023-39345 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2023-39345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39345?

CVE-2023-39345 affects Strapi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39345?

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-2023-39345 published?

CVE-2023-39345 was published on 2023-11-06 and last updated on 2026-06-17.

CVE-2023-39345

CVE-2023-39345 is a high-severity vulnerability in Strapi with a CVSS 3.x base score of 7.6. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Strapi
Published: 2023-11-06
Last modified: 2026-06-17

Description

strapi is an open-source headless CMS. Versions prior to 4.13.1 did not properly restrict write access to fielded marked as private in the user registration endpoint. As such malicious users may be able to errantly modify their user records. This issue has been addressed in version 4.13.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2023-39345?: strapi is an open-source headless CMS. Versions prior to 4.13.1 did not properly restrict write access to fielded marked as private in the user registration endpoint. As such malicious users may be able to errantly modify their user records. This issue has been addressed in version 4.13.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
How severe is CVE-2023-39345?: CVE-2023-39345 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2023-39345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39345?: CVE-2023-39345 affects Strapi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39345?: 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-2023-39345 published?: CVE-2023-39345 was published on 2023-11-06 and last updated on 2026-06-17.

References

https://github.com/strapi/strapi/security/advisories/GHSA-gc7p-j5xm-xxh2

Affected products (1)

cpe:2.3:a:strapi:strapi:*:*:*:*:*:*:*:*

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