What is the CVSS score of CVE-2022-50893?

CVE-2022-50893 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Which versions of PHP are affected by CVE-2022-50893?

Organizations using VIAVIWEB Wallpaper Admin 1.0 face critical risk from CVE-2022-50893, a unrestricted file upload vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2022-50893?

Yes, a public proof-of-concept exploit is available for CVE-2022-50893. Prioritise patching immediately. EPSS: 1.1%.

How to fix or mitigate CVE-2022-50893?

Within 24 hours: Identify all affected systems running 1.0 contains an unauthenticated remote code execution vulner and apply vendor patches immediately. Review file handling controls and restrict upload directories.

PHP CVE-2022-50893

CRITICAL

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

2026-01-13 disclosure@vulncheck.com

PHP RCE Wallpaper Admin

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 22, 2026 - 20:13 vuln.today

Public exploit code

CVE Published

Jan 13, 2026 - 23:15 nvd

CRITICAL 9.8

DescriptionCVE.org

VIAVIWEB Wallpaper Admin 1.0 contains an unauthenticated remote code execution vulnerability in the image upload functionality. Attackers can upload a malicious PHP file through the add_gallery_image.php endpoint to execute arbitrary code on the server.

AnalysisAI

VIAVIWEB Wallpaper Admin 1.0 allows unauthenticated PHP file upload through the add_gallery_image.php endpoint. PoC available.

Technical ContextAI

The image upload does not validate file types (CWE-434) and requires no authentication.

RemediationAI

Do not use this application in production.

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CVE-2022-50893 vulnerability details – vuln.today

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PHP CVE-2022-50893

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code