How severe is CVE-2021-37366?

CVE-2021-37366 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-2021-37366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37366?

CVE-2021-37366 affects Ctparental Project Ctparental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37366?

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-2021-37366 published?

CVE-2021-37366 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2021-37366

CVE-2021-37366 is a high-severity vulnerability in Ctparental Project Ctparental 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% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Ctparental Project Ctparental
Published: 2021-08-10
Last modified: 2026-06-17

Description

CTparental before 4.45.03 is vulnerable to cross-site request forgery (CSRF) in the CTparental admin panel. By combining CSRF with XSS, an attacker can trick the administrator into clicking a link that cancels the filtering for all standard users.

Frequently asked questions

What is CVE-2021-37366?: CTparental before 4.45.03 is vulnerable to cross-site request forgery (CSRF) in the CTparental admin panel. By combining CSRF with XSS, an attacker can trick the administrator into clicking a link that cancels the filtering for all standard users.
How severe is CVE-2021-37366?: CVE-2021-37366 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-2021-37366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37366?: CVE-2021-37366 affects Ctparental Project Ctparental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37366?: 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-2021-37366 published?: CVE-2021-37366 was published on 2021-08-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ctparental_project:ctparental:*:*:*:*:*:*:*:*

More vulnerabilities in Ctparental Project Ctparental

CVE-2021-37367 — High (CVSS 7.8): CTparental before 4.45.07 is affected by a code execution vulnerability in the CTparental admin panel. Because The file…
CVE-2021-37365 — Medium (CVSS 6.1): CTparental before 4.45.03 is vulnerable to cross-site scripting (XSS) in the CTparental admin panel. In…

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