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CVE-2020-28450

27
FAUCET Score

CVE-2020-28450 is a high-severity vulnerability (CVSS 8.6) affecting all versions of the 'decal' package, specifically within its 'extend' function. This flaw allows an unauthenticated attacker to remotely compromise the system with low attack complexity, potentially leading to partial confidentiality, integrity, and complete availability impacts. While no public exploits or Metasploit modules are available, and community discussion is minimal, organizations using the 'decal' package should still address this vulnerability due to its high potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:decal_project:decal:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 58th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-j32x-j8pj-pg2hhigh

Prototype Pollution in decal

Apr 13, 2021

References

github.com / gigafied/decal.js/blob/master/src/utils/extend.js%23L23-L56
Broken Link
snyk.io / vuln/SNYK-JS-DECAL-1051028
ExploitThird Party Advisory
npmjs.com / package/decal
ProductThird Party Advisory