Proxmox

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2025-57540 1Proxmox 1Virtual Environment Jun 17, 2026 Sep 9, 2025 N/A· v4 5.4 MEDIUM· v3 N/A· v2 A stored cross-site scripting (XSS) vulnerability exists in the WebAuthn Relying Party field within the Datacenter configuration of Proxmox Virtual Environment (PVE) 8.4. Authenticated users can inject JavaScript code th...Show more A stored cross-site scripting (XSS) vulnerability exists in the WebAuthn Relying Party field within the Datacenter configuration of Proxmox Virtual Environment (PVE) 8.4. Authenticated users can inject JavaScript code that is later executed in the browsers of users who view the configuration page, enabling client-side attacks.Show less
CVE-2025-57539 1Proxmox 1Virtual Environment Jun 17, 2026 Sep 9, 2025 N/A· v4 5.4 MEDIUM· v3 N/A· v2 A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in Proxmox Virtual Environment (PVE) 8.4 allows authenticated users to store malicious input. The payload is rende...Show more A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in Proxmox Virtual Environment (PVE) 8.4 allows authenticated users to store malicious input. The payload is rendered unsafely in the Web UI and executed when viewed by other users, potentially leading to session hijacking or other attacks.Show less
CVE-2025-57538 1Proxmox 1Virtual Environment Jun 17, 2026 Sep 9, 2025 N/A· v4 5.4 MEDIUM· v3 N/A· v2 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 inp...Show more 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.Show less
CVE-2023-46854 1Proxmox 1Proxmox Widget Toolkit Jun 17, 2026 Oct 28, 2023 N/A· v4 6.1 MEDIUM· v3 N/A· v2 Proxmox proxmox-widget-toolkit before 4.0.9, as used in multiple Proxmox products, allows XSS via the edit notes feature.
CVE-2023-43320 1Proxmox 3Backup Server Proxmox Mail GatewayVirtual Environment Jun 17, 2026 Sep 27, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0, and Proxmox Mail Gateway v.7.1 thru v.8.0 allows a remote authenticated attacker to escalate privileges via b...Show more An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0, and Proxmox Mail Gateway v.7.1 thru v.8.0 allows a remote authenticated attacker to escalate privileges via bypassing the two-factor authentication component.Show less
CVE-2022-31358 1Proxmox 1Virtual Environment Jul 9, 2026 Dec 14, 2022 N/A· v4 9.0 CRITICAL· v3 N/A· v2 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/.
CVE-2022-35508 1Proxmox 3Proxmox Mail Gateway Pve Http ServerVirtual Environment Jun 17, 2026 Dec 4, 2022 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) are vulnerable to SSRF when proxying HTTP requests between pve(pmg)proxy and pve(pmg)daemon. An attacker with an unprivileged account can craft an HTTP req...Show more Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) are vulnerable to SSRF when proxying HTTP requests between pve(pmg)proxy and pve(pmg)daemon. An attacker with an unprivileged account can craft an HTTP request to achieve SSRF and file disclosure of any files on the server. Also, in Proxmox Mail Gateway, privilege escalation to the root@pam account is possible if the backup feature has ever been used, because backup files such as pmg-backup_YYYY_MM_DD_*.tgz have 0644 permissions and contain an authkey value. This is fixed in pve-http-server 4.1-3.Show less
CVE-2022-35507 1Proxmox 3Proxmox Mail Gateway Pve Http ServerVirtual Environment Jun 17, 2026 Dec 4, 2022 N/A· v4 7.1 HIGH· v3 N/A· v2 A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the...Show more A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the server expects, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.Show less
CVE-2014-4156 1Proxmox 1Virtual Environment Nov 21, 2024 Jan 27, 2020 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
CVE-2015-9058 1Proxmox 1Proxmox Mail Gateway May 13, 2026 May 3, 2017 N/A· v4 6.1 MEDIUM· v3 5.8 MEDIUM· v2 Open redirect vulnerability in Proxmox Mail Gateway prior to hotfix 4.0-8-097d26a9 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the destination parameter.
CVE-2015-9057 1Proxmox 1Proxmox Mail Gateway May 13, 2026 May 3, 2017 N/A· v4 6.1 MEDIUM· v3 4.3 MEDIUM· v2 Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway prior to hotfix 4.0-8-097d26a9 allow remote attackers to inject arbitrary web script or HTML via multiple parameters, related to /users/index.ht...Show more Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway prior to hotfix 4.0-8-097d26a9 allow remote attackers to inject arbitrary web script or HTML via multiple parameters, related to /users/index.htm, /quarantine/spam/manage.htm, /quarantine/spam/whitelist.htm, /queues/mail/index/, /system/ssh.htm, /queues/mail/?domain=, and /quarantine/virus/manage.htm.Show less
CVE-2014-2325 1Proxmox 1Mail Gateway May 6, 2026 Mar 14, 2014 N/A· v4 N/A· v3 4.3 MEDIUM· v2 Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway before 3.1-5829 allow remote attackers to inject arbitrary web script or HTML via the (1) state parameter to objects/who/index.htm or (2) User e...Show more Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway before 3.1-5829 allow remote attackers to inject arbitrary web script or HTML via the (1) state parameter to objects/who/index.htm or (2) User email address to quarantine/spam/manage.htm.Show less