Stored XSS in Request Tracker
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The Request Tracker software is vulnerable to a Stored XSS vulnerability in calendar invitation parsing feature, which displays invitation data without HTML sanitization. XSS vulnerability allows an attacker to send a specifically crafted e-mail enabling JavaScript code execution by displaying the ticket in the context of the logged-in user. This vulnerability affects versions from 5.0.4 through 5.0.8 and from 6.0.0 through 6.0.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| bestpractical | Request Tracker | 5.0.4 – 5.0.8; 6.0.0 – 6.0.1 | — | No fix listed | CNA |
- Request Tracker Vendorbestpractical Affected 5.0.4 – 5.0.8; 6.0.0 – 6.0.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9158
- 2026-10-03 Alias added: GHSA-4wp5-pw3x-6v2m
References
More bestpractical vulnerabilities
- TI-2017-03862 The dashboard subscription interface in Request Tracker (RT) 4.x before 4.0.25, 4.2.x… CVSS 3.0HIGH 8.8
- TI-2023-21864 Best Practical Request Tracker (RT) before 4.4.7 and 5.x before 5.0.5 allows Information… CVSS 3.1HIGH 7.5
- TI-2022-09372 Best Practical RT for Incident Response (RTIR) before 4.0.3 and 5.x before 5.0.3 allows SSRF via Scripted Action tools. CVSS 3.1CRITICAL 9.1
- TI-2022-09371 Best Practical RT for Incident Response (RTIR) before 4.0.3 and 5.x before 5.0.3 allows SSRF via the whois lookup tool. CVSS 3.1CRITICAL 9.1
- TI-2026-29713 RT: SQL injection via entry_aggregator parameter in JSON search CVSS 3.1HIGH 8.8
- TI-2023-24078 Best Practical Request Tracker (RT) 5 before 5.0.5 allows Information Disclosure via a… CVSS 3.1HIGH 7.5
Sources
- CVE-2025-9158 · CVE Program
- CVE-2025-9158 · NVD
- FIRST EPSS
- GHSA-4wp5-pw3x-6v2m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences