CVE-2026-44228
RT: Stored Cross-Site Scripting via insufficient template escaping
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
RT is an open source, enterprise-grade issue and ticket tracking system. Versions 6.0.0 and above, prior to 6.0.3, contain a stored Cross-Site Scripting (XSS) vulnerability, where user-controlled data is rendered without proper HTML escaping. An authenticated user with permission to set the relevant data can inject JavaScript that executes when another RT user views the affected page. This issue has been fixed in version 6.0.3.
| CWE | CWE-79 |
| Vendor | bestpractical |
| Product | rt |
| Published | Jul 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
bestpractical / rt
>= 6.0.0, < 6.0.3