TI-2021-09119 Aliases CVE-2021-27676 GHSA-r5mf-q76q-f2xq

Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability.

LOW 25CWE-79Published 2021-05-26 · Updated 2026-07-09

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.

Why it matters now

EPSS 0.00619 49th percentileScored 2026-11-07

Fix Fixed centreon/centreon (Packagist): 20.10.7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	centreon/centreon (Packagist)	before 20.10.7	20.10.7	Patch available	GHSA-r5mf-q76q-f2xq

— Vendor— Affected all versions Fixed in — No fix listed CNA
centreon/centreon (Packagist) Vendor— Affected before 20.10.7 Fixed in 20.10.7 Patch available GHSA-r5mf-q76q-f2xq

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:centreon:centreon:20.10.2:::::::*	20.10.2	Vulnerable	Centreon

cpe:2.3:a:centreon:centreon:20.10.2:*:*:*:*:*:*:* Versions 20.10.2 Vulnerable ·Centreon

Remediation

Fix · GHSA-r5mf-q76q-f2xq centreon/centreon (Packagist) Fixed in 20.10.7 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-27676
2026-10-03 Alias added: GHSA-r5mf-q76q-f2xq

References

Patch 1

https://github.com/centreon/centreon/pull/9587

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2021-27676

Other 2

TI-2022-19661 SQL injection in Centreon CVSS 3.1HIGH 8.8
TI-2022-20634 SQL injection in Centreon CVSS 3.1HIGH 8.8
TI-2022-20632 SQL injection in Centreon CVSS 3.1HIGH 8.8
TI-2022-20630 SQL injection in Centreon CVSS 3.1HIGH 8.8
TI-2022-20629 SQL injection in Centreon CVSS 3.1HIGH 8.8
TI-2019-09757 Centreon 18.x before 18.10.6, 19.x before 19.04.3, and Centreon web before 2.8.29 allows… CVSS 3.0HIGH 8.8

See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences