Reflected Cross-Site Scripting Vulnerability in Combodo iTop IT Service Management Tool
CVE-2026-31803

8HIGH

Key Information:

Vendor

Combodo

Status
Itop
Vendor
CVE Published:
21 August 2026

What is CVE-2026-31803?

Combodo iTop, a web-based IT service management tool, faced a reflected Cross-Site Scripting (XSS) vulnerability prior to version 3.2.3, specifically in the pages/tagadmin.php file. This flaw allowed attackers to execute arbitrary scripts in the context of the user’s session, potentially compromising sensitive information or redirecting users to malicious websites. The issue has been resolved in version 3.2.3, reinforcing the importance of keeping software up to date to mitigate security risks.

Affected Version(s)

iTop < 3.2.3

References

https://github.com/Combodo/iTop/security/advisories/GHSA-...
x_refsource_CONFIRM
https://github.com/Combodo/iTop/commit/ab8e7bd15ed251ad4f...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.