Cross-Site Scripting (XSS) in OpenText Vendor Invoice (CVE-2026-12559)
Summary
Cross-site scripting in OpenText Vendor Invoice (CVE-2026-12559). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
A Stored Cross-Site Scripting (XSS) vulnerability has been identified in OpenText Vendor Invoice Management for SAP Solutions Capture Validation application. Under certain conditions, this issue could allow execution of unauthorized script content in a user's browser, potentially impacting confidentiality and integrity of information processed through the application.
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-2026-12559 has been found in OpenText Vendor Invoice.
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 "OpenText Vendor Invoice CVE-2026-12559" on the vendor's site.
CVE-2026-12559 (OpenText Vendor Invoice) — 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 OpenText Vendor Invoice.
Check the vendor advisory for the affected versions of OpenText Vendor Invoice.
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
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで OpenText Vendor Invoice を使っているサービスとバージョンを洗い出す。
-
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 support.opentext.com
- web support.opentext.com
- web nvd.nist.gov
- web github.com