Multiple cross-site scripting (XSS) vulnerabilities in Request Tracker (RT) 4.x before 4.2.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to the (1) user and (2) group rights management pages.
Conclusion & alert: CVE-2015-5475 is rated Moderate Risk (46.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.08%). Core evidence: EPSS rose +1.63% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.44% | 2.08% | +1.63% |
| 2 | 2025-06-13 | 0.52% | 0.44% | -0.08% |
| 3 | 2025-03-30 | — | 0.52% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-5475 not yet assigned priority: Debian including 1 source packages (request-tracker4), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. | https://security-tracker.debian.org/tracker/CVE-2015-5475 |
ubuntu
|
medium | CVE-2015-5475 medium priority: Ubuntu including 2 source packages (request-tracker3.8, request-tracker4), 24 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 11, not-affected 8, ignored 2, released 2, needs-triage 1. | https://ubuntu.com/security/CVE-2015-5475 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bestpractical | request_tracker | <= 4.2.11 | cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:* |