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CVE-2019-10795

20
FAUCET Score

CVE-2019-10795 describes a Prototype Pollution vulnerability in undefsafe versions prior to 2.0.3, where an attacker can manipulate Object.prototype properties through a __proto__ payload. This medium-severity vulnerability (CVSS 6.3) has a low attack complexity and requires low privileges, potentially leading to limited impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.3CPE matchmatch criteria
cpe:2.3:a:undefsafe_project:undefsafe:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
61.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 75th percentile among its peer group of 21,939 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: undefsafeFixed in: 2.0.3

Vendor Advisories (1)

npmGHSA-332q-7ff2-57h2medium

Prototype Pollution in undefsafe

Feb 9, 2022

References

github.com / remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-UNDEFSAFE-548940
ExploitThird Party Advisory