CVE-2026-44227: RT: Reflected Cross-Site Scripting via URL parameters
Vulnerability summary
CVE-2026-44227 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in bestpractical request_tracker. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.
Timeline
- 20-07-2026PublishedVulnerability first disclosed.
- 20-07-2026Last modifiedVulnerability information updated.
Description
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 reflected Cross-Site Scripting (XSS) vulnerability. An attacker who can induce an authenticated RT user to visit a crafted URL can execute arbitrary JavaScript in that user's browser session. There are no effective workarounds. Avoid following untrusted RT URLs. This issue has been fixed in version 6.0.3.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.26% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Bestpractical2 products
- request_tracker≥ 6.0.0, < 6.0.3
- rt≥ 6.0.0, < 6.0.3
Debian2 products
- request-tracker4All versions (No fix recorded)
- request-tracker5All versions (No fix recorded) | < 5.0.10+dfsg-1
Ubuntu2 products
- request-tracker4All versions (No fix recorded)
- request-tracker5All versions (No fix recorded)
3 vendors · 6 products
References
6 links- github.com/bestpractical/rt/security/advisories/GHSA-7742-fhq7-ggv9X Refsource CONFIRMVendor Advisory