CVE-2019-20921 — bootstrap-select before 1

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-09-30T12:30:36.000Z
• Last modified: 2024-11-25T17:45:55.390Z

09References

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