CVE-2020-29455

6.1 mediumEPSS 1.2%

Medium (6.1) in smartystreets liveaddressplugin.js. EPSS 1.2% chance of exploitation in the next 30 days.

A cross-Site Scripting (XSS) vulnerability in this.showInvalid and this.showInvalidCountry in SmartyStreets liveAddressPlugin.js 3.2 allows remote attackers to inject arbitrary web script or HTML via any address parameter (e.g., street or country).

Severity

CVSS 3.1

6.1 medium

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-12-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

smartystreets:liveaddressplugin.js

References

https://github.com/smartystreets-archives
https://jsfiddle.net/smartystreets/Lx2dbsaa/
https://www.guidepointsecurity.com/liveaddressplugin-js-vulnerability-disclosure/
https://github.com/smartystreets-archives
https://jsfiddle.net/smartystreets/Lx2dbsaa/

Check your stack JSON