CVE-2026-105455: medium-severity vulnerability in Best Practical Solutions RT for Incident…
Stored XSS via related ticket subject on RTIR Split and Create Incident forms
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.4%
RTIR's ticket creation forms show the subject of the related
ticket when splitting a ticket or creating an incident from a
report, and they render that subject without HTML escaping. A
ticket subject containing script runs it when a user opens either
form. RTIR grants everyone the right to create Incident Reports by
default, so an unauthenticated sender of an emailed report can set
that subject. The script then runs in the session of the incident
handler who creates an incident from the report or splits it, and
can act in RT with that user's authority.
The issue was fixed in version 6.0.4. RTIR 5.0 is not
affected.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
Best Practical Solutions · RT for Incident ResponseRelated CVEs — Best Practical Solutions RT for Incident…
In the same product, most dangerous first.