What is CVE-2017-18178?

CVE-2017-18178 is a medium-severity vulnerability in Progress Sitefinity, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-02-12.

How severe is CVE-2017-18178?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Progress Sitefinity

CVE-2017-18178

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.

Vulnerability class: Open Redirect

Published 2018-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Progress Sitefinity — versions 9.1

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-progress-sit… (Exploit, Third Party Advisory)
packetstormsecurity.com/files/143894/Progress-Sitefinity-9.1-XSS-Session-Manage… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2017-18178?: CVE-2017-18178 is a medium-severity vulnerability in Progress Sitefinity, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-02-12.
How severe is CVE-2017-18178?: Medium severity. CVSS v3 base score is 6.1 out of 10.