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CVE-2018-14730

26
FAUCET Score

CVE-2018-14730 affects Browserify-HMR, allowing attackers to steal developer code due to the WebSocket server not validating the origin of requests. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can lead to high confidentiality impact without requiring user interaction or privileges. While no public exploit intelligence or active exploitation has been observed, and community discussion is minimal, the potential for unauthorized code access remains a concern.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:browserify-hot_module_replacement_project:browserify-hot_module_replacement:-:*:*:*:*:browserify:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 57th percentile among its peer group of 51,466 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

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: browserify-hmrFixed in: 0.4.0

Vendor Advisories (1)

npmGHSA-77q4-m83q-w76vhigh

Missing Origin Validation in browserify-hmr

Sep 1, 2020

References

blog.cal1.cn / post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20Messages
ExploitThird Party Advisory
github.com / AgentME/browserify-hmr/issues/41
Third Party Advisory