Cross-Site Scripting (XSS) in Digi PortServer TS (CVE-2026-12948)
Summary
Cross-site scripting in Digi PortServer TS (CVE-2026-12948). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
A stored cross-site scripting (XSS) vulnerability in the web management interface of the Digi PortServer TS, Digi One SP, Digi One SP IA, and Digi One IA allows a remote, authenticated administrator to inject script into certain system configuration fields. The script subsequently executes in the browser of a user who views the affected pages (CWE-79).
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-12948 has been found in Digi PortServer TS.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Digi PortServer TS CVE-2026-12948" on the vendor's site.
CVE-2026-12948 (Digi PortServer TS) — CWE-79
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Cross-site scripting (XSS) (CWE-79) exists in Digi PortServer TS.
Check the vendor advisory for the affected versions of Digi PortServer TS.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Digi PortServer TS を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web digi.com
- web nvd.nist.gov
- web github.com