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CVE-2025-56537

MediumPublished

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...

Published: Apr 29, 2026
Updated: Apr 29, 2026
Assigning CNA: mitre
Evidence observed: Aug 19, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 8.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

OpenNebula-CVE-2025-56537PoC
Stored XSS exploit for OpenNebula 6.10.0.1 via crafted payload in virtual network template parameter. Includes PoC and fix guidance for upgrading to version 7.0.

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