How severe is CVE-2023-40786?

CVE-2023-40786 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-40786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40786?

CVE-2023-40786 affects Hkcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40786?

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

When was CVE-2023-40786 published?

CVE-2023-40786 was published on 2023-09-11 and last updated on 2026-06-17.

CVE-2023-40786

CVE-2023-40786 is a medium-severity vulnerability in Hkcms with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hkcms
Published: 2023-09-11
Last modified: 2026-06-17

Description

HKcms v2.3.0.230709 is vulnerable to Cross Site Scripting (XSS) allowing administrator cookies to be stolen.

Frequently asked questions

What is CVE-2023-40786?: HKcms v2.3.0.230709 is vulnerable to Cross Site Scripting (XSS) allowing administrator cookies to be stolen.
How severe is CVE-2023-40786?: CVE-2023-40786 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-40786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40786?: CVE-2023-40786 affects Hkcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40786 published?: CVE-2023-40786 was published on 2023-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hkcms:hkcms:2.3.0.230709:*:*:*:*:*:*:*

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