CVE-2025-9158
Published: 24 October 2025
Summary
CVE-2025-9158 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Cert (inferred from references). Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 35.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-35802
- 🇵🇱 CERT-PL: cert.pl
Vulnerability details
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…
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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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.