How severe is CVE-2021-41878?

CVE-2021-41878 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-2021-41878 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41878?

CVE-2021-41878 affects Hkurl I-panel Administration System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41878?

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

When was CVE-2021-41878 published?

CVE-2021-41878 was published on 2021-10-04 and last updated on 2026-06-17.

CVE-2021-41878

CVE-2021-41878 is a medium-severity vulnerability in Hkurl I-panel Administration System 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: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hkurl I-panel Administration System
Published: 2021-10-04
Last modified: 2026-06-17

Description

A reflected cross-site scripting (XSS) vulnerability exists in the i-Panel Administration System Version 2.0 that enables a remote attacker to execute arbitrary JavaScript code in the browser-based web console and it is possible to insert a vulnerable malicious button.

Frequently asked questions

What is CVE-2021-41878?: A reflected cross-site scripting (XSS) vulnerability exists in the i-Panel Administration System Version 2.0 that enables a remote attacker to execute arbitrary JavaScript code in the browser-based web console and it is possible to insert a vulnerable malicious button.
How severe is CVE-2021-41878?: CVE-2021-41878 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-2021-41878 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41878?: CVE-2021-41878 affects Hkurl I-panel Administration System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41878?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41878 published?: CVE-2021-41878 was published on 2021-10-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hkurl:i-panel_administration_system:2.0:*:*:*:*:*:*:*

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