# CVE-2026-79816: HPE Networking ClearPass Policy Manager DOM-based XSS in client interface

Source: https://junglewise.ai/threats/cve-2026-79816-a-vulnerability-in-a-client-interface-of-hpe-networking-clearpass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-79816 · Severity: medium · CVSS 6.3 · Published 2026-10-06

HPE ClearPass Policy Manager is a network access control solution used to manage security policies across corporate networks. A DOM-based cross-site scripting vulnerability in the client interface allows an unauthenticated attacker to inject malicious scripts that execute in users' browsers, potentially enabling session hijacking, credential theft, or unauthorized policy modifications.

Technologies: [Hpe ClearPass Policy Manager](https://junglewise.ai/threats/technologies/hpe-clearpass-policy-manager). Vendors: [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-79816 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-79816 being exploited in the wild.

**How severe is CVE-2026-79816?** Medium severity, with a CVSS score of 6.3, published 6 October 2026.

**Which products and versions are affected?** HPE ClearPass Policy Manager.

**Is there a fix for CVE-2026-79816?** 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-2026-79816 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-79816?** Check whether you run Hpe ClearPass Policy Manager. 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 DOM-based XSS vulnerability exists in the client interface of HPE ClearPass Policy Manager due to insufficient input sanitization. An unauthenticated remote attacker can craft a malicious request to inject JavaScript that executes in the victim's browser context. Successful exploitation allows arbitrary script execution within the affected interface, potentially leading to session compromise or privilege escalation.

## Affected products

- HPE ClearPass Policy Manager

## Timeline

- 2026-10-06: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US)

## Related threats

- [HPE ClearPass Policy Manager API authentication bypass](https://junglewise.ai/threats/cve-2026-79818-a-vulnerability-in-an-api-interface-of-clearpass-policy-manager)
- [HPE ClearPass Policy Manager client information disclosure](https://junglewise.ai/threats/cve-2026-79817-a-sensitive-information-disclosure-vulnerability-exists-in-the)
- [HPE ClearPass Policy Manager OnGuard agent denial of service](https://junglewise.ai/threats/cve-2026-79812-a-denial-of-service-vulnerability-exists-in-the-onguard-agent-of)
- [HPE ClearPass Policy Manager API SQL injection](https://junglewise.ai/threats/cve-2026-79811-a-sql-injection-vulnerability-in-the-api-of-clearpass-policy)
- [HPE ClearPass Policy Manager path traversal in API endpoint](https://junglewise.ai/threats/cve-2026-79809-an-unauthenticated-path-traversal-vulnerability-exists-in-an-api)