How severe is CVE-2022-4300?

CVE-2022-4300 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-4300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4300?

CVE-2022-4300 affects Xjd2020 Fastcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4300?

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

When was CVE-2022-4300 published?

CVE-2022-4300 was published on 2022-12-06 and last updated on 2026-06-17.

CVE-2022-4300

CVE-2022-4300 is a medium-severity vulnerability in Xjd2020 Fastcms with a CVSS 3.x base score of 6.3. 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-94.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Xjd2020 Fastcms
Published: 2022-12-06
Last modified: 2026-06-17

Description

A vulnerability was found in FastCMS. It has been rated as critical. This issue affects some unknown processing of the file /template/edit of the component Template Handler. The manipulation leads to injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-214901 was assigned to this vulnerability.

Frequently asked questions

What is CVE-2022-4300?: A vulnerability was found in FastCMS. It has been rated as critical. This issue affects some unknown processing of the file /template/edit of the component Template Handler. The manipulation leads to injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-214901 was assigned to this vulnerability.
How severe is CVE-2022-4300?: CVE-2022-4300 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-4300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4300?: CVE-2022-4300 affects Xjd2020 Fastcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4300 published?: CVE-2022-4300 was published on 2022-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xjd2020:fastcms:-:*:*:*:*:*:*:*

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