CVSS v3
9
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A 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/.
Technical details
- Published
- 2022-12-14
Frequently asked questions
What is CVE-2022-31358?
A 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/.
Is CVE-2022-31358 actively exploited?
Active exploitation of CVE-2022-31358 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-31358?
CVE-2022-31358 has a CVSS v3 base score of 9 (CRITICAL severity).
Is CVE-2022-31358 affecting your environment?
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