How severe is CVE-2020-8594?

CVE-2020-8594 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-2020-8594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8594?

CVE-2020-8594 affects Ninjaforms Ninja Forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8594?

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

When was CVE-2020-8594 published?

CVE-2020-8594 was published on 2020-02-14 and last updated on 2026-06-17.

CVE-2020-8594

CVE-2020-8594 is a medium-severity vulnerability in Ninjaforms Ninja Forms 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ninjaforms Ninja Forms
Published: 2020-02-14
Last modified: 2026-06-17

Description

The Ninja Forms plugin 3.4.22 for WordPress has Multiple Stored XSS vulnerabilities via ninja_forms[recaptcha_site_key], ninja_forms[recaptcha_secret_key], ninja_forms[recaptcha_lang], or ninja_forms[date_format].

Frequently asked questions

What is CVE-2020-8594?: The Ninja Forms plugin 3.4.22 for WordPress has Multiple Stored XSS vulnerabilities via ninja_forms[recaptcha_site_key], ninja_forms[recaptcha_secret_key], ninja_forms[recaptcha_lang], or ninja_forms[date_format].
How severe is CVE-2020-8594?: CVE-2020-8594 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-2020-8594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8594?: CVE-2020-8594 affects Ninjaforms Ninja Forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8594 published?: CVE-2020-8594 was published on 2020-02-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ninjaforms:ninja_forms:3.4.22:*:*:*:*:wordpress:*:*

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