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CVE-2023-30857

16
FAUCET Score

CVE-2023-30857 is a prototype pollution vulnerability affecting the @aedart/support package, specifically within the meta decorator's MetadataRecord when merging with a base class's metadata. This issue, patched in version 0.6.1, has a low CVSS score of 3.7, indicating a network attack vector with high attack complexity and a low impact on integrity, with no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.1CPE matchmatch criteria
cpe:2.3:a:aedart:ion:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 25th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 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: @aedart/supportFixed in: 0.6.1

Vendor Advisories (1)

npmGHSA-wwxh-74fx-33c6low

Possible prototype pollution in metadata record, when using meta decorator

May 1, 2023

References

github.com / aedart/ion/commit/c3e2ee08710d4164d796ecb66ed291335dae9291
Patch
github.com / aedart/ion/security/advisories/GHSA-wwxh-74fx-33c6
Vendor Advisory