How severe is CVE-2023-36319?

CVE-2023-36319 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36319?

CVE-2023-36319 affects Openupload Project Openupload. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36319?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-36319 published?

CVE-2023-36319 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2023-36319

CVE-2023-36319 is a high-severity vulnerability in Openupload Project Openupload with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Openupload Project Openupload
Published: 2023-09-20
Last modified: 2026-06-17

Description

File Upload vulnerability in Openupload Stable v.0.4.3 allows a remote attacker to execute arbitrary code via the action parameter of the compress-inc.php file.

Frequently asked questions

What is CVE-2023-36319?: File Upload vulnerability in Openupload Stable v.0.4.3 allows a remote attacker to execute arbitrary code via the action parameter of the compress-inc.php file.
How severe is CVE-2023-36319?: CVE-2023-36319 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36319?: CVE-2023-36319 affects Openupload Project Openupload. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36319?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-36319 published?: CVE-2023-36319 was published on 2023-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openupload_project:openupload:0.4.3:*:*:*:*:*:*:*

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