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-2026-64946High
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 version 777 onwards.
- CVE-2026-34190Medium
CSRF vulnerability allows unauthorized deletion of alert commands via sequential, unvalidated GET requests when an authenticated administrator visits a malicious page. Affects Pandora FMS from version 777 onwards.
- CVE-2026-34189Medium
CSRF vulnerability allows unauthorized deletion of event responses via a forged GET request when an authenticated administrator visits a malicious page. Affects Pandora FMS from version 777 onwards.
- 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-2026-75786High
Unsanitized concatenation of the module parameter in the Grafana datasource endpoint allows authenticated blind SQL injection. Affects Pandora FMS from 777 onwards.
- CVE-2026-64950High
Missing input validation and output encoding on the directory name parameter in File Manager's Create Directory allows stored XSS, executing without user interaction. Affects Pandora FMS from 777 onwards.
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