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CVE-2025-9158

Stored XSS in Request Tracker

MEDIUM
5.3
CVSS Score
Published: October 24, 2025 at 06:00 AM UTC
Updated: October 8, 2026 at 11:10 AM UTC
1 product affected across 1 vendorRequest Tracker

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Request Tracker· Bestpractical
90%
5.0.4 ≤ v ≤ 5.0.86.0.0 ≤ v ≤ 6.0.15.0.46.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: [email protected]
https://cert.pl/en/posts/2025/10/CVE-2025-9158/
Product
Source: [email protected]
https://requesttracker.com/request-tracker/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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