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CVE-2019-16769

19
FAUCET Score

CVE-2019-16769 describes a Cross-site Scripting (XSS) vulnerability in the serialize-javascript npm package prior to version 2.1.1, specifically affecting environments outside of Node.js where serialized regular expression objects are used. This medium-severity vulnerability (CVSS 5.4) has a network attack vector, low attack complexity, and requires user interaction, potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.1CPE matchmatch criteria
cpe:2.3:a:verizon:serialize-javascript:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

4.2MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 91st percentile among its peer group of 15,222 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 (6)

npmpatch availablevia ghsa
Product: serialize-javascriptFixed in: 2.1.1
redhatpatch availablevia redhat_api
Product: OpenShift Service Mesh 1.1Fixed in: servicemesh-grafana-0:6.4.3-11.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.6Fixed in: openshift4/ose-grafana:v4.6.0-202010061132.p0
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-prometheus-rhel9
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Virtualization 1Fixed in: kubevirt-web-ui-container
redhatend of lifevia redhat_api
Product: Red Hat Quay 3Fixed in: nodejs-serialize-javascript

Vendor Advisories (2)

redhatCVE-2019-16769Moderate

npm-serialize-javascript: XSS via unsafe characters in serialized regular expressions

May 4, 2020
npmGHSA-h9rv-jmmf-4pgxmedium

Cross-Site Scripting in serialize-javascript

Dec 5, 2019

References

github.com / yahoo/serialize-javascript/security/advisories/GHSA-h9rv-jmmf-4pgx
Third Party Advisory