An unescaped payload in exceljs <v1.6 allows a possible XSS via cell value when worksheet is displayed in browser.
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- 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-79.
Summary
An unescaped payload in exceljs <v1.6 allows a possible XSS via cell value when worksheet is displayed in browser.
Why it matters now
EPSS 0.00759 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed exceljs (npm): 1.6.0
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 |
|---|---|---|---|---|---|
| https://github.com/guyonroche | exceljs | 1.6.0 | — | No fix listed | CNA |
| — | exceljs (npm) | before 1.6.0 | 1.6.0 | Patch available | GHSA-2j2j-8rrv-264g |
- exceljs Vendorhttps://github.com/guyonroche Affected 1.6.0 Fixed in — No fix listed CNA
- exceljs (npm) Vendor— Affected before 1.6.0 Fixed in 1.6.0 Patch available GHSA-2j2j-8rrv-264g
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:exceljs_project:exceljs:*:*:*:*:*:node.js:*:* | before 1.6 | Vulnerable | Exceljs Project |
- cpe:2.3:a:exceljs_project:exceljs:*:*:*:*:*:node.js:*:* Versions before 1.6 Vulnerable ·Exceljs Project
Remediation
- Fix · GHSA-2j2j-8rrv-264g exceljs (npm) Fixed in 1.6.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16459
- 2026-10-03 Alias added: GHSA-2j2j-8rrv-264g
References
Sources
- CVE-2018-16459 · CVE Program
- CVE-2018-16459 · NVD
- FIRST EPSS
- GHSA-2j2j-8rrv-264g · GitHub Advisory Database · CC BY 4.0
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