CVE-2020-29455 json
A cross-Site Scripting (XSS) vulnerability in this.showInvalid and this.showInvalidCountry in SmartyStreets liveAddressPlugin.js 3.2 allows…
published 2020-12-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21827
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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).
Exploit prediction
1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- guidepointsecurity.com https://www.guidepointsecurity.com/liveaddressplugin-js-vulnerability-disclosure/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
guidepointsecurity.com
/liveaddressplugin-js-vulnerability-disclosure/
exploit, third-party-advisory
-
jsfiddle.net
/smartystreets/Lx2dbsaa/
third-party-advisory
-
github.com
/smartystreets-archives
third-party-advisory
Sources
- CVE List CVE-2020-29455
- NVD CVE-2020-29455
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.