CVE-2019-20921

Name: CVE-2019-20921
Creator: NVD / NIST
Published: 2020-09-30T18:15:18.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.74%

Last modified Jun 17, 2026

CVE-2019-20921 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.74%

74.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Snapappointments	Bootstrap-Select	< 1.13.6

References

https://github.com/advisories/GHSA-9r7h-6639-v5mwThird Party Advisory
https://github.com/snapappointments/bootstrap-select/issues/2199Patch, Third Party Advisory
https://issues.jtl-software.de/issues/SHOP-7964
https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457Third Party Advisory
https://www.npmjs.com/advisories/1522Third Party Advisory
https://github.com/advisories/GHSA-9r7h-6639-v5mwThird Party Advisory
https://github.com/snapappointments/bootstrap-select/issues/2199Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457Third Party Advisory
https://www.npmjs.com/advisories/1522Third Party Advisory

Timeline

Published: Sep 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20921?

bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser.

How severe is CVE-2019-20921?

CVE-2019-20921 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20921?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20921?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST