How severe is CVE-2021-42364?

CVE-2021-42364 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-42364 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42364?

CVE-2021-42364 affects Stetic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42364?

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-2021-42364 published?

CVE-2021-42364 was published on 2021-11-29 and last updated on 2026-06-17.

CVE-2021-42364

CVE-2021-42364 is a high-severity vulnerability in Stetic with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Stetic
Published: 2021-11-29
Last modified: 2026-06-17

Description

The Stetic WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the stats_page function found in the ~/stetic.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.0.6.

Frequently asked questions

What is CVE-2021-42364?: The Stetic WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the stats_page function found in the ~/stetic.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.0.6.
How severe is CVE-2021-42364?: CVE-2021-42364 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-42364 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42364?: CVE-2021-42364 affects Stetic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42364?: 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-2021-42364 published?: CVE-2021-42364 was published on 2021-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stetic:stetic:*:*:*:*:*:wordpress:*:*

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