XSS in Proxmox Virtual Environment
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/.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Product)
- af854a3a-2127-422b-91ae-364da2661108
- www.proxmox.com/en/ (Product)
- starlabs.sg/blog/2022/12-multiple-vulnerabilites-in-proxmox-ve--proxmox-mail-ga… (Technical Description, Exploit, Patch, Third Party Advisory)
- git.proxmox.com/
Frequently asked questions
- What is CVE-2022-31358?
- CVE-2022-31358 is a critical-severity vulnerability in Proxmox Virtual Environment, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2022-12-14.
- How severe is CVE-2022-31358?
- Critical severity. CVSS v3 base score is 9.0 out of 10.