Vulnerability · Published Oct 24, 2025 · Assigned by CERT-PL

CVE-2025-9158Stored XSS in Request Tracker

Medium 5.3

In plain English

A medium-severity cross-site scripting in Request Tracker from Best Practical. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13request-tracker55.0.7+dfsg-4+deb13u1DEBIAN-CVE-2025-9158
Debian:14request-tracker55.0.7+dfsg-5DEBIAN-CVE-2025-9158
Ubuntu:25.10request-tracker5no fix listedUBUNTU-CVE-2025-9158
Ubuntu:26.10request-tracker5no fix listedUBUNTU-CVE-2025-9158

Affected products (as reported)

VendorProductVersions
Best Practical Request Tracker 5.0.4 – through 5.0.86.0.0 – through 6.0.1

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References