CVE-2025-5896: taro DoS — Exploit & Fix

Description

A vulnerability was found in tarojs taro up to 4.1.1. It has been declared as problematic. This vulnerability affects unknown code of the file taro/packages/css-to-react-native/src/index.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. Upgrading to version 4.1.2 is able to address this issue. The name of the patch is c2e321a8b6fc873427c466c69f41ed0b5e8814bf. It is recommended to upgrade the affected component.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-1333 CWE-1333

Affected Products

Vendor	Product	Versions
taro	taro	< 4.1.2

References

Advisories & Patches

https://github.com/NervJS/taro/commit/c2e321a8b6fc873427c466c69f41ed0b5e8814bf https://github.com/NervJS/taro/pull/17619 https://github.com/NervJS/taro/pull/17619

Exploits

https://github.com/NervJS/taro/pull/17619 https://github.com/NervJS/taro/pull/17619

Other References

https://github.com/NervJS/taro/releases/tag/v4.1.2 https://vuldb.com/?ctiid.311668 https://vuldb.com/?id.311668 https://vuldb.com/?submit.585796

Frequently Asked Questions

What is CVE-2025-5896? +

A vulnerability was found in tarojs taro up to 4.1.1. It has been declared as problematic. This vulnerability affects unknown code of the file taro/packages/css-to-react-native/src/index.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. Upgrading to version 4.1.2 is able to address this issue. The name of the patch is c2e321a8b6fc873427c466c69f41ed0b5e8814bf. It is recommended to upgrade the affected component. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-5896? +

CVE-2025-5896 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-5896? +

CVE-2025-5896 affects products from taro, specifically: taro. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5896? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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