CVE-2019-5422 json
Cross-Site Scripting in buttle
published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also GHSA-gm29-35c7-8cfw , EUVD-2019-0421
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
XSS in buttle npm package version 0.2.0 causes execution of attacker-provided code in the victim's browser when an attacker creates an arbitrary file on the server.
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | buttle | <=0.2.0 |
no fix listed |
Affected products
- Npm, Inc. buttle
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
hackerone.com
/reports/331110
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-5422
advisory
-
hackerone.com
/reports/331032
web
-
github.com
/advisories/GHSA-gm29-35c7-8cfw
advisory
-
npmjs.com
/advisories/1009
web
-
npmjs.com
/advisories/667
web
Sources
- CVE List CVE-2019-5422
- GitHub Advisory GHSA-gm29-35c7-8cfw
- NVD CVE-2019-5422
Fencer Vulns 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.