TI-2025-05322 Aliases CVE-2025-5896 GHSA-f5xg-cfpj-2mw6

tarojs taro index.js redos

MEDIUM 57CWE-1333Published 2025-06-09 · Updated 2025-06-10

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-1333.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00661 51st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed taro-css-to-react-native (npm): 4.1.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
tarojs	taro	4.1.0; 4.1.1	—	No fix listed	CNA
—	taro-css-to-react-native (npm)	before 4.1.2	4.1.2	Patch available	GHSA-f5xg-cfpj-2mw6

taro Vendortarojs Affected 4.1.0; 4.1.1 Fixed in — No fix listed CNA
taro-css-to-react-native (npm) Vendor— Affected before 4.1.2 Fixed in 4.1.2 Patch available GHSA-f5xg-cfpj-2mw6

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:taro:taro::::::node.js::*	before 4.1.2	Vulnerable	Taro

cpe:2.3:a:taro:taro:*:*:*:*:*:node.js:*:* Versions before 4.1.2 Vulnerable ·Taro

Remediation

Fix · GHSA-f5xg-cfpj-2mw6 taro-css-to-react-native (npm) Fixed in 4.1.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-5896
2026-10-03 Alias added: GHSA-f5xg-cfpj-2mw6
2026-11-05 EPSS moved to the 50th–90th percentile

References

Exploit 1

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

Patch 2

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2025-5896

Other 1

https://github.com/NervJS/taro

TI-2021-02735 Inefficient Regular Expression Complexity in nervjs/taro CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences