# CVE-2026-12559: OpenText Vendor Invoice Management stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-12559-a-stored-cross-site-scripting-xss-vulnerability-has-been  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-24. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-12559 · Severity: info · Published 2026-09-24

OpenText Vendor Invoice Management for SAP Solutions contains a stored cross-site scripting (XSS) vulnerability that could allow an attacker to inject and execute malicious scripts in users' browsers. This could compromise the confidentiality and integrity of sensitive invoice data and financial information processed through the application. Exploitation requires specific conditions but could lead to unauthorized access to or manipulation of vendor invoice records.

Vendors: [Opentext](https://junglewise.ai/threats/vendors/opentext).

## Quick answers

**Is CVE-2026-12559 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-12559 being exploited in the wild.

**How severe is CVE-2026-12559?** Informational severity, published 24 September 2026.

**Which products and versions are affected?** OpenText Vendor Invoice Management for SAP Solutions.

**Is there a fix for CVE-2026-12559?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-12559 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-12559?** Check whether you run Opentext Vendor Invoice Management for SAP Solutions. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stored XSS vulnerability exists in the Capture Validation component of OpenText Vendor Invoice Management for SAP Solutions, allowing persistent injection of unauthorized script content. The vulnerability requires certain preconditions to trigger but persists in the application's data store, affecting any user who views the malicious content. The attack vector and specific attack preconditions are not fully detailed in available references.

## Affected products

- OpenText Vendor Invoice Management for SAP Solutions

## Timeline

- 2026-09-24: disclosed

## References

- [https://support.opentext.com/csm?id=kb_article_view&sysparm_article=KB0869040](https://support.opentext.com/csm?id=kb_article_view&sysparm_article=KB0869040)
- [https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0869044](https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0869044)