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CVE-2026-64946— CSRF Bypass Leading to Stored Cross-Site Scripting via Unrestricted SVG Upload in File Manager

Quick assessment

Affected
Pandora FMS Pandora FMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.

CVSS 7.4 · High
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I. Basic Information for CVE-2026-64946

Vulnerability Information

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Vulnerability Title
CSRF Bypass Leading to Stored Cross-Site Scripting via Unrestricted SVG Upload in File Manager
Source: CVE Program / CVE List V5
Vulnerability Description
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:U/V:C/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Pandora FMS Pandora FMS 777 -

II. Public POCs for CVE-2026-64946

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III. Intelligence Information for CVE-2026-64946

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Vendor Advisories for CVE-2026-64946 (1)

Same Patch Batch · Pandora FMS · 2026-10-01 · 8 CVEs total

CVE-2026-64949 8.6 HIGH Unrestricted File Upload Leading to Remote Code Execution in Admin Tools File Manager
CVE-2026-64950 8.4 HIGH Stored Cross-Site Scripting via Directory Name in File Manager Create Directory
CVE-2026-64947 7.5 HIGH CSRF Bypass Leading to Remote Code Execution via Unrestricted File Upload in Plugin File M
CVE-2026-75786 7.2 HIGH SQL Injection in Grafana Integration Endpoint (query.php)
CVE-2026-64948 7.1 HIGH Missing Authorization in get_module_detail AJAX Endpoint Allows Cross-Group Module Data Di
CVE-2026-34189 5.9 MEDIUM CSRF in Event Response Deletion
CVE-2026-34190 5.9 MEDIUM CSRF in Alert Command Deletion

IV. Related Vulnerabilities

Same product: Pandora FMS
Same vendor: Pandora FMS
Same weakness: CWE-79

V. Comments for CVE-2026-64946

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