XSS in Bestpractical Request Tracker

CVE-2026-44230

RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.4 up to (but not including) 5.0.10, and 6.0.0 up to (but not including) 6.0.3 contain a reflected Cross-Site Scripting (XSS) vulnerability where an attacker who can induce an authenticated RT user to visit a crafted URL can execute arbitrary JavaScript in that user's browser session. This issue has been fixed in versions 5.0.10 and 6.0.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44230?
CVE-2026-44230 is a medium-severity vulnerability in Bestpractical Request Tracker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-20.
How severe is CVE-2026-44230?
Medium severity. CVSS v3 base score is 6.1 out of 10.