How severe is CVE-2023-4560?

CVE-2023-4560 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-4560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4560?

CVE-2023-4560 affects Omeka Omeka S. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4560?

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

When was CVE-2023-4560 published?

CVE-2023-4560 was published on 2023-08-28 and last updated on 2026-06-17.

CVE-2023-4560

CVE-2023-4560 is a medium-severity vulnerability in Omeka Omeka S with a CVSS 3.x base score of 6.5. 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-612.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-612
Affected product: Omeka Omeka S
Published: 2023-08-28
Last modified: 2026-06-17

Description

Improper Authorization of Index Containing Sensitive Information in GitHub repository omeka/omeka-s prior to 4.0.4.

Frequently asked questions

What is CVE-2023-4560?: Improper Authorization of Index Containing Sensitive Information in GitHub repository omeka/omeka-s prior to 4.0.4.
How severe is CVE-2023-4560?: CVE-2023-4560 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-4560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4560?: CVE-2023-4560 affects Omeka Omeka S. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4560?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4560 published?: CVE-2023-4560 was published on 2023-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:omeka:omeka_s:*:*:*:*:*:*:*:*

More vulnerabilities in Omeka Omeka S

CVE-2023-4159 — High (CVSS 8.8): Unrestricted Upload of File with Dangerous Type in GitHub repository omeka/omeka-s prior to 4.0.3.
CVE-2023-4158 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.3.
CVE-2023-4157 — Medium (CVSS 5.2): CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in GitHub…
CVE-2023-4561 — Medium (CVSS 4.8): Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.4.

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