Code injection in HackerOne reduce-css-calc node module
Priority LOW 30CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution, Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94 and CWE-79.
Summary
Arbitrary code execution is possible in reduce-css-calc node module <=1.2.4 through crafted css. This makes cross sites scripting (XSS) possible on the client and arbitrary code injection possible on the server and user input is passed to the `calc` function.
Why it matters now
EPSS 0.01193 68th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed reduce-css-calc (npm): 1.2.5
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 |
|---|---|---|---|---|---|
| HackerOne | reduce-css-calc node module | up to 1.2.4 | — | No fix listed | CNA |
| — | reduce-css-calc (npm) | before 1.2.5 | 1.2.5 | Patch available | GHSA-4662-j96g-mv46 |
- reduce-css-calc node module VendorHackerOne Affected up to 1.2.4 Fixed in — No fix listed CNA
- reduce-css-calc (npm) Vendor— Affected before 1.2.5 Fixed in 1.2.5 Patch available GHSA-4662-j96g-mv46
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:reduce-css-calc_project:reduce-css-calc:*:*:*:*:*:node.js:*:* | up to 1.2.4 | Vulnerable | Reduce-css-calc Project |
- cpe:2.3:a:reduce-css-calc_project:reduce-css-calc:*:*:*:*:*:node.js:*:* Versions up to 1.2.4 Vulnerable ·Reduce-css-calc Project
Remediation
- Fix · GHSA-4662-j96g-mv46 reduce-css-calc (npm) Fixed in 1.2.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10548
- 2026-10-03 Alias added: GHSA-4662-j96g-mv46
References
Sources
- CVE-2016-10548 · CVE Program
- CVE-2016-10548 · NVD
- FIRST EPSS
- GHSA-4662-j96g-mv46 · 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