CVE-2025-8459

A user with low privileges can inject XSS in the Monitoring Recurrent downtimes page

7.7 High

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon Infra Monitoring (Monitoring recurrent downtime scheduler modules) allows Stored XSS.This issue affects Infra Monitoring: from 24.10.0 before 24.10.13, from 24.04.0 before 24.04.18, from 23.10.0 before 23.10.28.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.25%Up 0.2 points since Oct 15, 2025

What each source reports

CVE List Score used 7.7

A user with low privileges can inject XSS in the Monitoring Recurrent downtimes page

Record: CVE-2025-8459
CVSS 3.1: 7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-34262 7.7

Record: EUVD-2025-34262
CVSS 3.1: 7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qjr3-j75m-5g32 7.7

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...

Record: GHSA-qjr3-j75m-5g32
CVSS 3.1: 7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.7

Record: CVE-2025-8459
CVSS 3.1: 7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 7.7

A user with low privileges can inject XSS in the Monitoring Recurrent downtimes page

Record: CVE-2025-8459
CVSS 3.1: 7.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-8459 is a high vulnerability (CVSS 7.7) in Centreon Web, published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.