How severe is CVE-2023-4819?

CVE-2023-4819 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-2023-4819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4819?

CVE-2023-4819 affects Tammersoft Shared Files. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4819?

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

When was CVE-2023-4819 published?

CVE-2023-4819 was published on 2023-10-16 and last updated on 2026-06-17.

CVE-2023-4819

CVE-2023-4819 is a medium-severity vulnerability in Tammersoft Shared Files 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tammersoft Shared Files
Published: 2023-10-16
Last modified: 2026-06-17

Description

The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with malicious scripts.

Frequently asked questions

What is CVE-2023-4819?: The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with malicious scripts.
How severe is CVE-2023-4819?: CVE-2023-4819 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-2023-4819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4819?: CVE-2023-4819 affects Tammersoft Shared Files. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4819 published?: CVE-2023-4819 was published on 2023-10-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/4423b023-cf4a-46cb-b314-7a09ac08b29a

Affected products (1)

cpe:2.3:a:tammersoft:shared_files:*:*:*:*:*:wordpress:*:*

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