Authenticate/SWT in Progress Sitefinity 9.1 has an open redirect issue in which an authentication token is sent to the redirection target, if the target is specified using a certain %40 syntax. This is fixed in 10.1.
Conclusion & alert: CVE-2017-18178 is rated High Exploit Risk (70.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.42%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.33% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.10% | 2.42% | +2.33% |
| 2 | 2025-08-29 | 0.17% | 0.10% | -0.08% |
| 3 | 2025-08-04 | — | 0.17% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| progress | sitefinity | 9.1 | cpe:2.3:a:progress:sitefinity:9.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://packetstormsecurity.com/files/143894/Progress-Sitefinity-9.1-XSS-Session-Management-Open-Redirect.html | Exploit Third Party Advisory VDB Entry |
| https://www.sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-progress-sitefinity/index.html | Exploit Third Party Advisory |