Cross Site Scripting (XSS) vulnerability in in the S/MIME certificate upload functionality of the User Profile pages in savignano S/Notify before 4.0.0 for Confluence allows attackers to manipulate user data via specially crafted certificate.
Conclusion & alert: CVE-2024-23735 is rated Low Risk (28/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.21%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.64% | 0.21% | -0.43% |
| 2 | 2025-11-21 | 0.23% | 0.64% | +0.41% |
| 3 | 2025-11-18 | — | 0.23% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://help.savignano.net/snotify-email-encryption/sa-2023-11-02 | Vendor Advisory |
| https://help.savignano.net/snotify-email-encryption/security-advisories | Vendor Advisory |