@amoy/common v was discovered to contain a prototype pollution via the function extend

published 2024-07-01 2 y ago modified 2026-06-17 4 mo ago also GHSA-w58v-r3cp-qr93 , EUVD-2024-2431

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

amoyjs amoy common v1.0.10 was discovered to contain a prototype pollution via the function extend. This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-07-01)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/mestrtee/02091aa86c6c14c29b9703642439dd03 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
GitHub	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
npm	@amoy/common	1 listed version	no fix listed

Affected products

amoyjs common

Classification

Weakness

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

gist.github.com /mestrtee/02091aa86c6c14c29b9703642439dd03
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2024-38994
advisory

Sources

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.

Summary