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CVE-2021-27676:
Cross-site scripting in Centreon

5.4

CVSS Score

Basic Information

EPSS Score
-
Published
6/8/2021
Updated
2/1/2023
KEV Status
No
Technology
TechnologyPHP

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
centreon/centreoncomposer< 20.10.720.10.7

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The provided vulnerability information identifies vulnerable parameters (dep_description and dep_name) and the affected page (Configuration > Notifications > Hosts), but does not include specific code snippets, commit diffs, or file paths. While the vulnerability type (stored XSS) suggests insufficient input sanitization or output escaping, the exact functions responsible cannot be determined with high confidence without examining the implementation details. The lack of access to the GitHub patch (#9587) or Centreon's source code structure prevents precise identification of vulnerable functions. The advisory confirms the parameters and attack vector but does not map them to specific code locations.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

**ntr*on v*rsion **.**.* is *****t** *y * *ross-sit* s*riptin* (XSS) vuln*r**ility. T** **p_**s*ription (**p*n**n*y **s*ription) *n* **p_n*m* (**p*n**n*y N*m*) p*r*m*t*rs *r* vuln*r**l* to stor** XSS. * us*r **s to lo* in *n* *o to t** *on*i*ur*tion

Reasoning

T** provi*** vuln*r**ility in*orm*tion i**nti*i*s vuln*r**l* p*r*m*t*rs (**p_**s*ription *n* **p_n*m*) *n* t** *****t** p*** (*on*i*ur*tion > Noti*i**tions > *osts), *ut *o*s not in*lu** sp**i*i* *o** snipp*ts, *ommit *i**s, or *il* p*t*s. W*il* t**