How severe is CVE-2021-37365?

CVE-2021-37365 has a CVSS 3.x base score of 6.1, rated medium 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 none.

Is CVE-2021-37365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37365?

CVE-2021-37365 affects Ctparental Project Ctparental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37365?

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

When was CVE-2021-37365 published?

CVE-2021-37365 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2021-37365

CVE-2021-37365 is a medium-severity vulnerability in Ctparental Project Ctparental with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
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 scripting (XSS) in the CTparental admin panel. In bl_categires_help.php, the 'categories' variable is assigned with the content of the query string param 'cat' without sanitization or encoding, enabling an attacker to inject malicious code into the output webpage.

Frequently asked questions

What is CVE-2021-37365?: CTparental before 4.45.03 is vulnerable to cross-site scripting (XSS) in the CTparental admin panel. In bl_categires_help.php, the 'categories' variable is assigned with the content of the query string param 'cat' without sanitization or encoding, enabling an attacker to inject malicious code into the output webpage.
How severe is CVE-2021-37365?: CVE-2021-37365 has a CVSS 3.x base score of 6.1, rated medium 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 none.
Is CVE-2021-37365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37365?: CVE-2021-37365 affects Ctparental Project Ctparental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37365 published?: CVE-2021-37365 was published on 2021-08-10 and last updated on 2026-06-17.

References

Affected products (1)

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

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