CVE-2019-10793 json
Prototype Pollution in dot-object
published 2020-02-18 6 y ago modified 2026-09-10 1 mo ago also GHSA-j9cf-pr2x-5273 , EUVD-2022-1071
- cvss
- 6.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
dot-object before 2.1.3 is vulnerable to Prototype Pollution. The set function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
Patch / fix
- npm dot-object 2.1.3
- dot-object_project dot-object 2.1.3
Exploit prediction
1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-DOTOBJECT-548905 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | dot-object | <2.1.3 |
2.1.3 |
Affected products
- Snyk dot-object
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
github.com
/rhalff/dot-object/commit/f76cff5fe6d01d30ce110d8f454db2e5bd28a7de
web, patch, third-party-advisory
-
snyk.io
/vuln/SNYK-JS-DOTOBJECT-548905
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-10793
advisory
-
github.com
/rhalff/dot-object
package
Sources
- CVE List CVE-2019-10793
- GitHub Advisory GHSA-j9cf-pr2x-5273
- NVD CVE-2019-10793
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.