CVE-2018-16459 json
Cross-Site Scripting in exceljs
published 2018-09-06 8 y ago modified 2026-06-17 4 mo ago also GHSA-2j2j-8rrv-264g , EUVD-2018-0433
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
An unescaped payload in exceljs <v1.6 allows a possible XSS via cell value when worksheet is displayed in browser.
Patch / fix
- npm exceljs 1.6.0
- exceljs_project exceljs 1.6
Exploit prediction
0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hackerone.com https://hackerone.com/reports/356809 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | exceljs | <1.6.0 |
1.6.0 |
Affected products
- https://github.com/guyonroche exceljs
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
hackerone.com
/reports/356809
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-16459
advisory
-
github.com
/advisories/GHSA-2j2j-8rrv-264g
advisory
-
github.com
/nodejs/security-wg/blob/master/vuln/npm/464.json
web
-
npmjs.com
/advisories/733
web
Sources
- CVE List CVE-2018-16459
- GitHub Advisory GHSA-2j2j-8rrv-264g
- NVD CVE-2018-16459
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.