CVE-2026-44229
RT: Cross-Site Scripting via inline-served uploaded content
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.0 and 6.0.0 and above, prior to both 5.0.10 and 6.0.3 contain a Cross-Site Scripting (XSS) vulnerability where uploaded content is served inline rather than as an attachment. An authenticated user who can upload content can include JavaScript in the upload that will execute in the browser session of any RT user who later views or downloads it. This issue has been fixed in versions 5.0.10 and 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 >= 5.0.0, < 5.0.10