How severe is CVE-2023-37979?

CVE-2023-37979 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-37979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37979?

CVE-2023-37979 affects Ninjaforms Ninja Forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37979?

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-2023-37979 published?

CVE-2023-37979 was published on 2023-07-27 and last updated on 2026-06-17.

CVE-2023-37979

CVE-2023-37979 is a high-severity vulnerability in Ninjaforms Ninja Forms with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ninjaforms Ninja Forms
Published: 2023-07-27
Last modified: 2026-06-17

Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Saturday Drive Ninja Forms Contact Form plugin <= 3.6.25 versions.

Frequently asked questions

What is CVE-2023-37979?: Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Saturday Drive Ninja Forms Contact Form plugin <= 3.6.25 versions.
How severe is CVE-2023-37979?: CVE-2023-37979 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-37979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37979?: CVE-2023-37979 affects Ninjaforms Ninja Forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37979?: 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-2023-37979 published?: CVE-2023-37979 was published on 2023-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:*

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