# CVE-2025-56537: A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 and fixed in v.7.0 allows attackers to…

Source: https://junglewise.ai/threats/cve-2025-56537-a-stored-cross-site-scripting-xss-vulnerability-in-opennebula-v6  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-29  
License: CC BY 4.0 with a link back

CVE-2025-56537 · Severity: medium · CVSS 6.1 · Published 2026-04-29

A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 and fixed in v.7.0 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the virtual network template parameter.

Technologies: [Opennebula](https://junglewise.ai/threats/technologies/opennebula-opennebula). Vendors: [Opennebula](https://junglewise.ai/threats/vendors/opennebula).

## Quick answers

**Is CVE-2025-56537 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-56537 being exploited in the wild.

**How severe is CVE-2025-56537?** Medium severity, with a CVSS score of 6.1, published 29 April 2026.

**Which products and versions are affected?** Opennebula. The advisory does not name versions.

**Is there a fix for CVE-2025-56537?** 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.

**Am I affected by CVE-2025-56537?** Check whether you run Opennebula. 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.

## Affected products

- Opennebula

## Related threats

- [A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows attackers to execute arbitrary web…](https://junglewise.ai/threats/cve-2025-56536-a-stored-cross-site-scripting-xss-vulnerability-in-opennebula-v6)
- [A cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows attackers to execute arbitrary web scripts…](https://junglewise.ai/threats/cve-2025-56535-a-cross-site-scripting-xss-vulnerability-in-opennebula-v6-10-0-1)
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