Bagisto, Cross-Site Scripting (XSS), CVE-2025-45431 (High)

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How the mentioned CVE works

The vulnerability CVE-2025-45431 is an authenticated Stored Cross-Site Scripting (XSS) flaw within the Bagisto e-commerce platform’s admin panel. The attack vector is the product creation functionality, specifically the file upload feature for product images. An attacker with authenticated admin access can upload a maliciously crafted Scalable Vector Graphics (SVG) file instead of a standard image. This SVG file contains embedded JavaScript payloads within its XML structure, for instance, within an `` event handler. When an administrator or another privileged user later views the product listing or details page in the admin panel, the malicious SVG is rendered by the victim’s browser. Instead of being treated as inert image data, the embedded JavaScript code is executed in the context of the admin session. This execution can lead to the theft of session cookies, perform unauthorized actions on behalf of the user, or deface the admin interface.
Platform: Bagisto
Version: 2.3.6
Vulnerability: Stored XSS
Severity: High

date: 2025-10-10

Prediction: Patch 2025-10-27

What Undercode Say:

`find . -name “.php” -type f | xargs grep -l “svg\|image.upload”`

`grep -r “file->getClientOriginalExtension” app/`

`cat malicious.svg`

``

How Exploit:

Authenticated admin uploads malicious SVG file via product creation form. Payload executes upon admin panel page view.

Protection from this CVE

Implement strict server-side file type validation. Sanitize SVG XML content. Apply Content Security Policy (CSP).

Impact:

Session hijacking, unauthorized admin actions, data theft.

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Sources:

Reported By: github.com
Extra Source Hub:
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