{"cve":"CVE-2023-45303","nvd":{"published":"2023-10-06T19:15:13.040","modified":"2026-06-17T06:28:36.320","status":"Modified","description":"ThingsBoard before 3.5 allows Server-Side Template Injection if users are allowed to modify an email template, because Apache FreeMarker supports freemarker.template.utility.Execute (for content sent to the /api/admin/settings endpoint).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-74"],"references":["https://freemarker.apache.org/docs/api/freemarker/template/utility/Execute.html","https://herolab.usd.de/security-advisories/usd-2023-0010/","https://freemarker.apache.org/docs/api/freemarker/template/utility/Execute.html","https://herolab.usd.de/security-advisories/usd-2023-0010/"],"products":["thingsboard:thingsboard"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-45303","score":0.01049,"percentile":0.64265,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-6pgr-j9v4-xfvv","url":"https://osv.dev/vulnerability/GHSA-6pgr-j9v4-xfvv","summary":"ThingsBoard Server-Side Template Injection","modified":"2023-11-08T04:13:37.998808Z","packages":[{"ecosystem":"Maven","name":"org.thingsboard:thingsboard","purl":"pkg:maven/org.thingsboard/thingsboard","ranges":["<3.5"],"fixed":["3.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}