NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Arbitrary File Upload

7.2
Unrestricted Upload of File with Dangerous Type
CVE CVE-2026-81650
CVSS 7.2 (High)
Publicly Published September 18, 2026
Last Updated September 22, 2026
Researcher Alihan Şahin

Description

The NextGEN Gallery plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 4.4.0. This is due to missing file type validation. This makes it possible for authenticated attackers, with admin-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

References

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Vulnerability Details for Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery

Software Type Plugin
Software Slug nextgen-gallery (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.5.0, or a newer patched version
Affected Version
  • <= 4.4.0
Patched Version
  • 4.5.0

Recent vulnerabilities in Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery

# Title CVE ID CVSS Researchers Date
1 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 4.5.0 - Unauthenticated Arbitrary File Read CVE-2026-94123 7.5 Intrudify September 24, 2026
2 NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object Reference CVE-2026-81654 4.3 Erwan LR September 18, 2026
3 NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object Reference CVE-2026-81653 2.7 Erwan LR September 18, 2026
4 NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object Reference CVE-2026-81651 2.7 Murad Akhmedov September 18, 2026
5 NextGEN Gallery <= 4.4.0 - Authenticated (Contributor+) Insecure Direct Object Reference CVE-2026-81652 4.3 Meher Sudhakar Abbireddi September 18, 2026
6 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 4.2.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-28141 7.2 daroo August 3, 2026
7 Photo Gallery, Sliders, Proofing and Themes – NextGEN < 4.2.1 - Authenticated (Admin+) SQL Injection CVE-2026-9059 4.9 Joshua Martinelle May 20, 2026
8 Photo Gallery, Sliders, Proofing and Themes <= 4.2.0 - Insecure Direct Object Reference to Authenticated (Subscriber+) Image Deletion via REST API CVE-2026-6566 4.3 Bao Luu Gia Nguyen May 19, 2026
9 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 4.0.4 - Authenticated (Author+) Local File Inclusion CVE-2026-1463 8.8 Athiwat Tiprasaharn (Jitlada), Itthidej Aramsri (Boeing777), Waris Damkham March 17, 2026
10 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 3.59.12 - Authenticated (Contributor+) Local File Inclusion via 'template' CVE-2025-13641 8.8 Athiwat Tiprasaharn (Jitlada) December 17, 2025

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