CVE-2021-36698
MediumCVSS 5.4Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
An XSS vulnerability in Pandora FMS up to version 755 allows an attacker to inject malicious script by creating a new event filter with a crafted name.
Risk Assessment
An attacker can steal user sessions, redirect users to malicious sites, or perform other actions in their browser context, threatening data confidentiality and integrity.
Recommendation
Immediately upgrade Pandora FMS to a version newer than 755 and implement input validation for event filter names.
Other vulnerabilities in Pandora FMS
See all- CVE-2026-30810High
Server-Side Request Forgery vulnerability allows Privilege Escalation via API Checker extension. This issue affects Pandora FMS from versions 777 to 800.
- CVE-2026-30808High
Session Fixation vulnerability allows Session Hijacking via crafted session ID. This issue affects Pandora FMS: from 777 through 800.
- CVE-2026-34187Critical
CVE-2026-34187 is a vulnerability related to improper neutralization of special elements used in SQL commands, allowing SQL Injection via graph container parameter. This issue affects Pandora FMS versions from 777 to 800.
- CVE-2026-30805Critical
Insecure Default Initialization of Resource vulnerability allows Authentication Bypass via API access. This issue affects Pandora FMS from versions 777 through 800.
- CVE-2025-34088High
An authenticated remote code execution vulnerability exists in Pandora FMS version 7.0NG and earlier. The net_tools.php script fails to sanitize the select_ips parameter before passing it to system commands, allowing command injection.
- CVE-2021-36697Medium
A vulnerability in Artica Pandora FMS up to version 755 allows an admin to overwrite the .htaccess file via the File Manager component. The new .htaccess contains a Rewrite Rule with a file type definition, enabling upload of a normal PHP file and code execution via an HTTP request.
Original NVD description (English source)
Pandora FMS through 755 allows XSS via a new Event Filter with a crafted name.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS