How severe is CVE-2021-44076?

CVE-2021-44076 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-44076 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44076?

CVE-2021-44076 affects Crushftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44076?

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

When was CVE-2021-44076 published?

CVE-2021-44076 was published on 2022-09-15 and last updated on 2026-06-17.

CVE-2021-44076

CVE-2021-44076 is a medium-severity vulnerability in Crushftp with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Crushftp
Published: 2022-09-15
Last modified: 2026-06-17

Description

An issue was discovered in CrushFTP 9. The creation of a new user through the /WebInterface/UserManager/ interface allows an attacker, with access to the administration panel, to perform Stored Cross-Site Scripting (XSS). The payload can be executed in multiple scenarios, for example when the user's page appears in the Most Visited section of the page.

Frequently asked questions

What is CVE-2021-44076?: An issue was discovered in CrushFTP 9. The creation of a new user through the /WebInterface/UserManager/ interface allows an attacker, with access to the administration panel, to perform Stored Cross-Site Scripting (XSS). The payload can be executed in multiple scenarios, for example when the user's page appears in the Most Visited section of the page.
How severe is CVE-2021-44076?: CVE-2021-44076 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-44076 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44076?: CVE-2021-44076 affects Crushftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44076?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44076 published?: CVE-2021-44076 was published on 2022-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*

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