CVE-2025-4647: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in C

Routine

HIGH 8.4UPGRADE

CVE-2025-4647 is a high-severity flaw (CVSS 8.4) affecting centreon web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon web allows Reflected XSS. A user with elevated privileges can bypass sanitization measures by replacing the content of an existing SVG. This issue affects web: from 24.10.0 before 24.10.5, from 24.04.0 before 24.04.11, from 23.10.0 before 23.10.22, from 23.04.0 before 23.04.27, from 22.10.0 before 22.10.29.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-13
Last modified	2026-06-17

Publisher (CNA): Centreon · Vendor: centreon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-13 10:15 UTCPublished CVE record published
2026-06-17 09:33 UTCUpdated Record last modified

centreon centreon web UPGRADE

Affected: >= 22.10.0 and < 22.10.29 · >= 23.04.0 and < 23.04.27 · >= 23.10.0 and < 23.10.22 · >= 24.04.0 and < 24.04.11 · >= 24.10.0 and < 24.10.5

Fixed in: 22.10.29, 23.04.27, 23.10.22, 24.04.11, 24.10.5

Safe to downgrade to: a release before 22.10.0

1. Check installed version

apt-cache policy centreon-web || rpm -q centreon-web || centreon-web --version

2. UPGRADE to 22.10.29 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade centreon-web

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade centreon-web

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 22.10.0 (Debian / Ubuntu)

apt-cache madison centreon-web sudo apt install centreon-web=<VERSION_BEFORE_22.10.0> sudo apt-mark hold centreon-web

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list centreon-web sudo dnf downgrade centreon-web-<VERSION_BEFORE_22.10.0> sudo dnf versionlock add centreon-web

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-4647?

centreon web: upgrade to 22.10.29, 23.04.27, 23.10.22, 24.04.11, 24.10.5. Exact commands for each OS are on this page.

Is CVE-2025-4647 being exploited?

CVE-2025-4647 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-4647 affect?

CVE-2025-4647 affects centreon web. Severity is high (CVSS 8.4). Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon web allows Reflected XSS. A user with elevated privileges can bypass sanitization measures by replacing the content of an

How urgent is CVE-2025-4647?

Priority 35/100. High severity

Related CVEs

CVE-2025-54890 MEDIUM 6.8 UPGRADE Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in C
CVE-2025-5946 HIGH 7.2 UPGRADE Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Ce
CVE-2025-8459 HIGH 7.7 UPGRADE Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in C
CVE-2025-54889 MEDIUM 6.8 UPGRADE Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in C
CVE-2025-54891 MEDIUM 6.8 UPGRADE Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in C

References

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