CVE-2025-56535: OpenNebula-CVE-2025-56535 · A Cross-site Scripting (XSS)
Affects OpenNebula-CVE-2025-56535Source CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubmarkartamonov/OpenNebula-CVE-2025-56535pkg:github/markartamonov/OpenNebula-CVE-2025-56535Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is released, users should consider applying input validation or output encoding on the zone attribute parameter as a temporary mitigation. Monitor vendor communications for updates on patches or official workarounds.
Description
A cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the zone attribute parameter.