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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (17.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Bestpractical Request Tracker
- Bestpractical Rt — versions >= 5.0.4, < 5.0.10, >= 6.0.0, < 6.0.3
Weakness classification (CWE)
References
- github.com/bestpractical/rt/security/advisories/GHSA-p724-v26h-32g9 (Vendor Advisory)
- github.com/bestpractical/rt/releases/tag/rt-6.0.3 (Release Notes)
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.