XSS in Ultimate Fosters Perfect Support Ticketing & Document Management System
CVE-2026-63081
Perfect Support Ticketing & Document Management System through 1.7 contains a stored cross-site scripting vulnerability that allows authenticated attackers with Agent-level privileges to inject malicious payloads into the Notes field of assigned support tickets. Attackers can store malicious scripts that execute in the browser context of any user who views the affected ticket notes, including Superadmin users, enabling session hijacking or unauthorized actions on behalf of the victim.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/aaronamran/CVE-Disclosures/tree/main/CVE-2026/CVE-2026-63081 (technical-description, exploit)
- www.vulncheck.com/advisories/perfect-support-ticketing-system-stored-xss-via-ti… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-63081?
- CVE-2026-63081 is a medium-severity vulnerability in Ultimate Fosters Perfect Support Ticketing & Document Management System, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-16.
- How severe is CVE-2026-63081?
- Medium severity. CVSS v3 base score is 5.4 out of 10.