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CVE-2019-20921

21
FAUCET Score

CVE-2019-20921 describes a Cross-Site Scripting (XSS) vulnerability in snapappointments bootstrap-select versions prior to 1.13.6, where unescaped title values in OPTION elements could allow attackers to execute arbitrary JavaScript. Rated 6.1 MEDIUM, this vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L, I:L), but can be exploited remotely over the network (AV:N). There is 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
< 1.13.6CPE matchmatch criteria
cpe:2.3:a:snapappointments:bootstrap-select:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.74%
Probability of exploitation in next 30 days
EPSS Percentile
75.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0174 is in the 87th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (8)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: bootstrap-selectFixed in: 1.13.6
nugetpatch availablevia ghsa
Product: bootstrap-selectFixed in: 1.13.6
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.4Fixed in: ovirt-web-ui-0:1.6.7-1.el8ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization Engine 4.4Fixed in: ovirt-engine-ui-extensions-0:1.2.5-1.el8ev
View patch
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 1Fixed in: kiali
redhatend of lifevia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: keycloak-theme
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: ovirt-engine

Vendor Advisories (2)

npmGHSA-7c82-mp33-r854medium

Cross-site scripting in bootstrap-select

May 7, 2021
redhatCVE-2019-20921Moderate

nodejs-bootstrap-select: not escaping title values on <option> may lead to XSS

Feb 14, 2019

References

github.com / advisories/GHSA-9r7h-6639-v5mw
Third Party Advisory
github.com / snapappointments/bootstrap-select/issues/2199
PatchThird Party Advisory
issues.jtl-software.de / issues/SHOP-7964
snyk.io / vuln/SNYK-JS-BOOTSTRAPSELECT-570457
Third Party Advisory
npmjs.com / advisories/1522
Third Party Advisory