How severe is CVE-2023-4650?

CVE-2023-4650 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-4650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4650?

CVE-2023-4650 affects Instantcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4650?

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

When was CVE-2023-4650 published?

CVE-2023-4650 was published on 2023-08-31 and last updated on 2026-06-17.

CVE-2023-4650

CVE-2023-4650 is a medium-severity vulnerability in Instantcms with a CVSS 3.x base score of 4.7. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Instantcms
Published: 2023-08-31
Last modified: 2026-06-17

Description

Improper Access Control in GitHub repository instantsoft/icms2 prior to 2.16.1-git.

Frequently asked questions

What is CVE-2023-4650?: Improper Access Control in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
How severe is CVE-2023-4650?: CVE-2023-4650 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-4650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4650?: CVE-2023-4650 affects Instantcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4650?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4650 published?: CVE-2023-4650 was published on 2023-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:instantcms:instantcms:*:*:*:*:*:*:*:*

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