Inefficient Regular Expression Complexity in nervjs/taro
Priority LOW 35CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-1333.
Summary
taro is vulnerable to Inefficient Regular Expression Complexity
Why it matters now
EPSS 0.01262 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed @tarojs/helper (npm): 3.3.9
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nervjs | nervjs/taro | up to 3.3.8 | — | No fix listed | CNA |
| — | @tarojs/helper (npm) | before 3.3.9 | 3.3.9 | Patch available | GHSA-468q-v4jj-485h |
- nervjs/taro Vendornervjs Affected up to 3.3.8 Fixed in — No fix listed CNA
- @tarojs/helper (npm) Vendor— Affected before 3.3.9 Fixed in 3.3.9 Patch available GHSA-468q-v4jj-485h
Remediation
- Fix · GHSA-468q-v4jj-485h @tarojs/helper (npm) Fixed in 3.3.9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3804
- 2026-10-03 Alias added: GHSA-468q-v4jj-485h
References
More Taro vulnerabilities
- TI-2025-05322 tarojs taro index.js redos CVSS 4.0MEDIUM 5.3
Sources
- CVE-2021-3804 · CVE Program
- CVE-2021-3804 · NVD
- FIRST EPSS
- GHSA-468q-v4jj-485h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences