CVE-2025-57538

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.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.33% chance of exploitation in the next 30 days, 26th percentile

Published

2025-09-09

Updated

2025-09-10

Proof-of-concept exploits (1)

• khankishiyev-j/bug-bounty/blob/main/proxmox-xss

References

• CVE Record
• NVD entry

Related

• CVE-2025-57539
• CVE-2025-57540
• CVE-2025-57520
• CVE-2025-57489
• CVE-2025-57462
• CVE-2025-5755