CVE-2026-44227 RT: Reflected Cross-Site Scripting via URL parameters

What is CVE-2026-44227?

CVE-2026-44227 is a medium-severity cross-site scripting vulnerability in bestpractical rt, published on 20 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2026-44227?

It affects 1 product.

Products include Bestpractical Request Tracker.

How do I fix CVE-2026-44227?

No fix has been published for CVE-2026-44227 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-44227 being exploited?

There is no known exploitation of CVE-2026-44227 in the wild and no public exploit code.

Other vulnerabilities in bestpractical rt

• CVE-2026-44231 RT: Privilege escalation and information disclosure via REST 2.0 user collection endpoint Critical 9.1
• CVE-2017-5943 Information disclosure in n/a High 8.8
• CVE-2017-5944 Code injection in n/a High 8.8
• CVE-2023-41259 Information disclosure in n/a High 7.5
• CVE-2023-41260 Information disclosure in n/a High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7742-fhq7-ggv9, UBUNTU-CVE-2026-44227.