4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-5897

CVE-2025-5897: @vue/cli-plugin-pwa Regular Expression Denial of Service vulnerability

A vulnerability was found in vuejs vue-cli up to 5.0.8. It has been rated as problematic. This issue affects the function HtmlPwaPlugin of the file packages/@vue/cli-plugin-pwa/lib/HtmlPwaPlugin.js of the component Markdown Code Handler. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely.

(GitHub Advisory)

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CVE-2025-5897

CVE-2025-5897:

4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
@vue/cli-plugin-pwa	npm	<= 5.0.8

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability lies in the HtmlPwaPlugin.js file, specifically within the HtmlPwaPlugin class. The apply method of this class registers a callback function that is executed during the webpack compilation process. This callback uses String.prototype.replace with a regular expression to modify the HTML content. The original regular expression /<link rel=\"icon\"[^>]+>/ was susceptible to ReDoS attacks. An attacker could provide a malicious HTML string that causes the regex engine to enter a state of catastrophic backtracking, leading to excessive CPU consumption and a denial of service. The patch d7eb1fdfff4f71f9d7ef7a20a88f42ca582ebfca mitigates this by changing the regex to /<link rel=\"icon\"(?!<link rel=\"icon\")[^>]+>/, which prevents the backtracking issue. The apply method is the entry point for this vulnerable logic, as it sets up the callback containing the problematic regex execution.

Vulnerable functions

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WAF Rule

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Reasoning

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