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CVE-2025-8459· NVD / CVE Program· CNA Centreon

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

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.

MediumCVSS 5.4 · v3.1—No exploit No fix recorded
Published
Oct 14, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 14th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.4
CNA · Centreon
7.7
2.3 point gap

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
centreoncentreon web

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • centreon centreon web23.10.0 and later · before 23.10.28
  • centreon centreon web24.04.0 and later · before 24.04.18
  • centreon centreon web24.10.0 and later · before 24.10.13

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Centreon). Independent of NVD's CPE analysis and usually ahead of it.

  • Centreon Infra Monitoring

    • 24.10.0 and later · before 24.10.13affected
    • 24.04.0 and later · before 24.04.18affected
    • 23.10.0 and later · before 23.10.28affected

Same product

centreon: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-0637Centreon updateDirectory SQL Injection Remote Code Execution Vulnerability
    57Plan
  • CVE-2024-5725Centreon initCurveList SQL Injection Remote Code Execution Vulnerability
    49Plan
  • CVE-2024-23115Centreon updateGroups SQL Injection Remote Code Execution Vulnerability
    48Plan
  • CVE-2024-5723Centreon updateServiceHost SQL Injection Remote Code Execution Vulnerability
    47Plan
  • CVE-2024-32501A SQL Injection vulnerability exists in the updateServiceHost functionality in Centreon Web 24.04.x before 24.04.3, 23.10.x before 23.10.13,
    45Plan
  • CVE-2024-23118Centreon updateContactHostCommands SQL Injection Remote Code Execution Vulnerability
    44Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-51633530 days apartCentreon sysName Cross-Site Scripting Remote Code Execution Vulnerability
    38Monitor
  • CVE-2025-84280 days apartXSS found in the HTTP loader widget
    21Monitor
  • CVE-2025-548920 days apartA user with elevated privileges can inject XSS in the SNMP traps group configuration page
    19Monitor
  • CVE-2025-548930 days apartA user with elevated privileges can inject XSS in the Hosts templates configuration page
    19Monitor
  • CVE-2025-84290 days apartA user with elevated privileges can inject XSS in the ACL Action access configuration page
    19Monitor
  • CVE-2025-84300 days apartA user with elevated privileges can inject XSS in the Commands Connectors configuration configuration page
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records