What is CVE-2026-6841?

CVE-2026-6841 is a medium-severity vulnerability in Best Practical Request Tracker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-21.

How severe is CVE-2026-6841?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Best Practical Request Tracker

CVE-2026-6841

Request Tracker is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the "Page" parameter in GET requests. An attacker can craft a URL that, when opened, results in arbitrary JavaScript execution in the victim’s browse…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

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.

Affected products

Best Practical Request Tracker — versions 5.0.4, 6.0.0
Bestpractical Request_tracker

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cvd@cert.pl (Third Party Advisory, third-party-advisory)
cvd@cert.pl (Product, product)
cvd@cert.pl (release-notes, Release Notes)
cvd@cert.pl (release-notes, Release Notes)

Frequently asked questions

What is CVE-2026-6841?: CVE-2026-6841 is a medium-severity vulnerability in Best Practical Request Tracker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-21.
How severe is CVE-2026-6841?: Medium severity. CVSS v3 base score is 6.1 out of 10.