VDB-311668 · Submit #585796 · CVE-2025-5896

tarojs taro up to 4.1.1 index.js redos

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in tarojs taro up to 4.1.1. Impacted is an unknown function of the file taro/packages/css-to-react-native/src/index.js. Executing a manipulation can lead to redos. This vulnerability appears as CVE-2025-5896. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in tarojs taro up to 4.1.1. It has been declared as problematic. This vulnerability affects an unknown function of the file taro/packages/css-to-react-native/src/index.js. The manipulation with an unknown input leads to a redos vulnerability. The CWE definition for the vulnerability is CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-5896. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1449.003.

Upgrading to version 4.1.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch c2e321a8b6fc873427c466c69f41ed0b5e8814bf is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17580). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

tarojs

Name

taro

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: taro 4.1.2
Patch: c2e321a8b6fc873427c466c69f41ed0b5e8814bf

Timelineinfo

06/09/2025 🔍
06/09/2025 +0 days 🔍
06/10/2025 +0 days 🔍

Sourcesinfo

Advisory: 17619
Status: Confirmed

CVE: CVE-2025-5896 (🔍)
GCVE (CVE): GCVE-0-2025-5896
GCVE (VulDB): GCVE-100-311668
EUVD: 🔍

Entryinfo

Created: 06/09/2025 08:58
Updated: 06/10/2025 01:08
Changes: 06/09/2025 08:58 (57), 06/10/2025 01:08 (1)
Complete: 🔍
Submitter: mmmsssttt
Cache ID: 216::103

Submitinfo

Accepted

Submit #585796: @tarojs/taro 4.1.1 Inefficient Regular Expression Complexity (by mmmsssttt)