What’s Vulnerable › Vulnerabilities

CVE-2019-20921

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-30 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Snapappointments Bootstrap-Select: before 1.13.6 — fixed in 1.13.6

How to fix

Upgrade to a fixed version: Snapappointments Bootstrap-Select 1.13.6. Check the vendor advisory for mitigations.

References

• https://github.com/advisories/GHSA-9r7h-6639-v5mw
• https://github.com/snapappointments/bootstrap-select/issues/2199
• https://issues.jtl-software.de/issues/SHOP-7964
• https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457
• https://www.npmjs.com/advisories/1522
• https://github.com/advisories/GHSA-9r7h-6639-v5mw
• https://github.com/snapappointments/bootstrap-select/issues/2199
• https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457
• https://www.npmjs.com/advisories/1522

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