N/A

CVSS Score

-

CVSS Score

Basic Information

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CVE-2025-57326

CVE-2025-57326: sassdoc-extras vulnerable to prototype pollution

A Prototype Pollution vulnerability in the byGroupAndType function of sassdoc-extras v2.5.1 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

(GitHub Advisory)

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CVE-2025-57326

CVE-2025-57326:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
sassdoc-extras	npm	<= 3.0.0

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability exists in the byGroupAndType function within src/byGroupAndType.js. The function processes an array of objects and groups them based on item.group[0] and item.context.type. The core of the vulnerability lies in the unsafe creation and modification of nested objects. Specifically, the lines if (!(group in sorted)) { sorted[group] = {}; } and if (!(type in sorted[group])) { sorted[group][type] = []; } are susceptible to prototype pollution. An attacker can craft an input where item.group[0] is "__proto__". This would cause sorted[group] to resolve to Object.prototype. The subsequent assignment to sorted[group][type] would then pollute the global Object.prototype with a new property, which could lead to denial of service or other unexpected behavior in the application.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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