How severe is CVE-2023-37390?

CVE-2023-37390 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-37390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37390?

CVE-2023-37390 affects Themesflat Themesflat Addons For Elementor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37390?

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-2023-37390 published?

CVE-2023-37390 was published on 2023-12-19 and last updated on 2026-06-17.

CVE-2023-37390

CVE-2023-37390 is a high-severity vulnerability in Themesflat Themesflat Addons For Elementor with a CVSS 3.x base score of 8.3. 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 8.3)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Themesflat Themesflat Addons For Elementor
Published: 2023-12-19
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Themesflat Themesflat Addons For Elementor.This issue affects Themesflat Addons For Elementor: from n/a through 2.0.0.

Frequently asked questions

What is CVE-2023-37390?: Deserialization of Untrusted Data vulnerability in Themesflat Themesflat Addons For Elementor.This issue affects Themesflat Addons For Elementor: from n/a through 2.0.0.
How severe is CVE-2023-37390?: CVE-2023-37390 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-37390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37390?: CVE-2023-37390 affects Themesflat Themesflat Addons For Elementor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37390?: 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-2023-37390 published?: CVE-2023-37390 was published on 2023-12-19 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/themesflat-addons-for-elementor/wordpress-themesflat-addons-for-elementor-plugin-2-0-0-unauthenticated-php-object-injection-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:themesflat:themesflat_addons_for_elementor:*:*:*:*:*:wordpress:*:*

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