Piwigo 12.3.0 — Stored XSS Vulnerability at Gallery title

Vulnerability Explanation:

Piwigo Version 12.3.0 has XSS vulnerabilities that allow attackers to store XSS via Gallery title input.

Affected Component:

http://[IP]/admin.php?page=configuration

Payload:

<image src/onerror=console.log("test_xss_at_Gallery_title")>

Tested on:

1. Piwigo Version 12.3.0 https://piwigo.org/get-piwigoa
2. Brave Version 1.44.101 Chromium: 106.0.5249.65 (Official Build) (64-bit)

Steps to attack:

1. First, we log in with an admin credential to the target application.

2. We click on Admin.

3. We click on Configuration > Options

4. We use payload as the Gallery title.

<image src/onerror=console.log("test_xss_at_Gallery_title")>

5. We click on the Save Settings button.

6. We press F12 to open develop tools and We found in the console tab The XSS payload will be executed.

Discoverer:

Grim The Ripper Team by SOSECURE Thailand

Reference:

https://piwigo.org/