6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-47618

CVE-2024-47618: Cross-site Scripting via uploaded SVG

In Sulu v2.0.0 through v2.6.4 are vulnerable against XSS whereas a low privileged user with an access to the “Media” section can upload an SVG file with a malicious payload. Once uploaded and accessed, the malicious javascript will be executed on the victims’ (other users including admins) browsers.

(GitHub Advisory)

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CVE-2024-47618

CVE-2024-47618:

6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
sulu/sulu	composer	>= 2.0.0-RC1, < 2.5.21	2.5.21
sulu/sulu	composer	>= 2.6.0-RC1, < 2.6.5	2.6.5

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from insufficient sanitization of SVG files during upload. The patch introduces new SVG inspection logic (SvgFileInspector) and an event subscriber (UploadFileSubscriber) to validate() uploads. In vulnerable versions, these checks were absent. The MediaController::postAction likely processed uploads directly, and MediaStorage::store persisted files without sanitization. These functions would have handled SVG uploads without the added security checks, making them vulnerable to XSS via malicious SVG content. Confidence is high for the controller method due to its role in upload handling, and medium for the storage method as it's inferred from the storage workflow.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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