How severe is CVE-2021-43681?

CVE-2021-43681 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-2021-43681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43681?

CVE-2021-43681 affects Zerodream Sakurapanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43681?

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

When was CVE-2021-43681 published?

CVE-2021-43681 was published on 2021-12-02 and last updated on 2026-06-17.

CVE-2021-43681

CVE-2021-43681 is a medium-severity vulnerability in Zerodream Sakurapanel 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% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zerodream Sakurapanel
Published: 2021-12-02
Last modified: 2026-06-17

Description

SakuraPanel v1.0.1.1 is affected by a Cross Site Scripting (XSS) vulnerability in /master/core/PostHandler.php. The exit function will terminate the script and print the message $data['proxy_name'].

Frequently asked questions

What is CVE-2021-43681?: SakuraPanel v1.0.1.1 is affected by a Cross Site Scripting (XSS) vulnerability in /master/core/PostHandler.php. The exit function will terminate the script and print the message $data['proxy_name'].
How severe is CVE-2021-43681?: CVE-2021-43681 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-2021-43681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43681?: CVE-2021-43681 affects Zerodream Sakurapanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43681?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43681 published?: CVE-2021-43681 was published on 2021-12-02 and last updated on 2026-06-17.

References

https://github.com/ZeroDream-CN/SakuraPanel/issues/23

Affected products (1)

cpe:2.3:a:zerodream:sakurapanel:1.0.1.1:*:*:*:*:*:*:*

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