Which versions of PHP are affected by CVE-2026-4875?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-4875, a unrestricted file upload vulnerability rated CVSS 5.1. This could allow unauthorized file access.

Is there a public PoC exploit available for CVE-2026-4875?

Yes, a public proof-of-concept exploit is available for CVE-2026-4875. Prioritise patching immediately. EPSS: 0.0%.

PHP CVE-2026-4875

Q: What is the CVSS score of CVE-2026-4875?

CVE-2026-4875 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2026-16169 LOW

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-03-26 VulDB

File Upload PHP

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.1 (MEDIUM) 2.0 (LOW)

PoC Detected

Mar 30, 2026 - 13:26 vuln.today

Public exploit code

EUVD ID Assigned

Mar 26, 2026 - 12:45 euvd

EUVD-2026-16169

Analysis Generated

Mar 26, 2026 - 12:45 vuln.today

CVE Published

Mar 26, 2026 - 12:23 nvd

MEDIUM 5.1

DescriptionCVE.org

A vulnerability was determined in itsourcecode Free Hotel Reservation System 1.0. The affected element is an unknown function of the file /admin/mod_amenities/index.php?view=add. This manipulation of the argument image causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Free Hotel Reservation System 1.0 permits unrestricted file uploads via the image parameter in the /admin/mod_amenities/index.php?view=add endpoint, allowing remote attackers with high privileges to upload arbitrary files. The vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affects the amenities management module and has publicly available exploit code. …

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Vulnerability AssessmentAI

Risk Assessment	The CVSS v4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N) indicates a remotely exploitable vulnerability with low attack complexity but requiring high privileges, suggesting this is primarily a post-authentication or privilege escalation risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A compromised or malicious administrator logs into the hotel reservation system and navigates to /admin/mod_amenities/index.php?view=add. Instead of uploading a legitimate image, the attacker uploads a PHP webshell disguised with an image extension (e.g., shell.php.jpg or shell.phtml) via the image parameter. …
Remediation	Upgrade Free Hotel Reservation System to a patched version released by itsourcecode (exact patched version not specified in available advisories; consult vendor directly or check https://itsourcecode.com/ for release notes). … Detailed patch versions, workarounds, and compensating controls in full report.

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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-4875 vulnerability details – vuln.today

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PHP CVE-2026-4875

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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External POC / Exploit Code