Reflected Cross-Site Scripting Vulnerability in Request Tracker by Best Practical
CVE-2026-6841

5.1MEDIUM

Key Information:

Vendor

Best Practical

Status
Request Tracker
Vendor
CVE Published:
21 May 2026

What is CVE-2026-6841?

A reflected cross-site scripting vulnerability exists in Request Tracker, allowing attackers to exploit the 'Page' parameter in GET requests. By crafting malicious URLs, an attacker can execute arbitrary JavaScript code in the browser of affected users, leading to potential data theft and session hijacking. This vulnerability impacts several versions of Request Tracker, making it crucial for users to stay informed and apply necessary updates.

Affected Version(s)

Request Tracker 5.0.4 < 5.0.10

Request Tracker 6.0.0 < 6.0.3

References

https://cert.pl/en/posts/2026/05/CVE-2026-6841
third-party-advisory
https://requesttracker.com/request-tracker/
product
https://docs.bestpractical.com/release-notes/rt/5.0.10
release-notes

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Aleksander Iwicki (CERT Polska)
.