CVE-2022-31358

Summary

CVECVE-2022-31358
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-14 15:15:10 UTC
Updated2026-07-05 01:17:52 UTC
DescriptionA reflected cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows remote attackers to execute arbitrary web scripts or HTML via non-existent endpoints under path /api2/html/.

Risk And Classification

Primary CVSS: v3.1 9 CRITICAL from [email protected]

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

EPSS: 0.012730000 probability, percentile 0.663770000 (date 2026-07-07)

Problem Types: CWE-79 | n/a | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
3.1ADPDECLARED9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Proxmox Virtual Environment All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Proxmox - Powerful open-source server solutions af854a3a-2127-422b-91ae-364da2661108 proxmox.com Product
git.proxmox.com Git - pve-http-server.git/commitdiff [email protected] git.proxmox.com
Proxmox - Powerful open-source server solutions af854a3a-2127-422b-91ae-364da2661108 www.proxmox.com Product
git.proxmox.com Git - pve-http-server.git/commitdiff af854a3a-2127-422b-91ae-364da2661108 git.proxmox.com
Multiple Vulnerabilities in Proxmox VE & Proxmox Mail Gateway | STAR Labs af854a3a-2127-422b-91ae-364da2661108 starlabs.sg Exploit, Patch, Technical Description, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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