How severe is CVE-2021-36886?

CVE-2021-36886 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-36886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36886?

CVE-2021-36886 affects Ciphercoin Contact Form 7 Database Addon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36886?

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

When was CVE-2021-36886 published?

CVE-2021-36886 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-36886

CVE-2021-36886 is a medium-severity vulnerability in Ciphercoin Contact Form 7 Database Addon with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Ciphercoin Contact Form 7 Database Addon
Published: 2021-12-22
Last modified: 2026-06-17

Description

Cross-Site Request Forgery (CSRF) vulnerability discovered in Contact Form 7 Database Addon – CFDB7 WordPress plugin (versions <= 1.2.5.9).

Frequently asked questions

What is CVE-2021-36886?: Cross-Site Request Forgery (CSRF) vulnerability discovered in Contact Form 7 Database Addon – CFDB7 WordPress plugin (versions <= 1.2.5.9).
How severe is CVE-2021-36886?: CVE-2021-36886 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-36886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36886?: CVE-2021-36886 affects Ciphercoin Contact Form 7 Database Addon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36886 published?: CVE-2021-36886 was published on 2021-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ciphercoin:contact_form_7_database_addon:*:*:*:*:*:wordpress:*:*

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