CVE-2025-57538
Last modified
CVE-2025-57538 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration panel of Proxmox Virtual Environment (PVE) 8.4 allows an authenticated user to inject malicious input. The input is stored and executed in the context of other users' browsers when they view the affected configuration page. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
A stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration panel of Proxmox Virtual Environment (PVE) 8.4 allows an authenticated user to inject malicious input. The input is stored and executed in the context of other users' browsers when they view the affected configuration page. This can lead to arbitrary JavaScript execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proxmox | Virtual Environment | 8.4 |
References
- https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010Issue Tracking, Vendor Advisory
- https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xssExploit, Third Party Advisory
- https://www.youtube.com/watch?v=mN-0Zia1LZwBroken Link
- https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xssExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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