Is CVE-2025-5804 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2025-5804, but active exploitation has not been confirmed.

Can CVE-2025-5804 be exploited remotely?

Yes. CVE-2025-5804 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-5804?

CVE-2025-5804 has a CVSS score of 7.5 (HIGH).

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HIGHPOC

CVE-2025-5804

CWE-98Published: April 10, 2026· Updated: Apr 13, 2026

7.5

CVSS v3.1

Official Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Case Themes Case Theme User allows PHP Local File Inclusion.This issue affects Case Theme User: from n/a before 1.0.4.

NVD Source

Technical Analysis

CVE-2025-5804 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.

A proof-of-concept (PoC) exploit exists for CVE-2025-5804. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.