CVE-2025-9158

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-10-24

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

References

• https://cert.pl/en/posts/2025/10/CVE-2025-9158/
• https://requesttracker.com/request-tracker/

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