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Vulnerability record · CVE-2018-17055 · published 28 September 2018

CVE-2018-17055: Progress sitefinity unrestricted file upload vulnerability

Progress · Sitefinity

An arbitrary file upload vulnerability in Progress Sitefinity CMS versions 4.0 through 11.0 related to image uploads.

7.5 CVSS 3.0 High EPSS 0.97% · top 39.7% CWE-434 · Unrestricted file upload
7.5CVSS 3.0 base score, v2 5.0
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An arbitrary file upload vulnerability in Progress Sitefinity CMS versions 4.0 through 11.0 related to image uploads.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://insinuator.net/2018/10/vulnerabilities-in-sitefinity-wcms-a-success-story-of-a-responsible-disclosure-process/ ExploitTechnical DescriptionThird Party Advisory
https://knowledgebase.progress.com/articles/Article/Security-Advisory-for-Resolving-Security-vulnerabilities-September-2 Vendor Advisory
https://insinuator.net/2018/10/vulnerabilities-in-sitefinity-wcms-a-success-story-of-a-responsible-disclosure-process/ ExploitTechnical DescriptionThird Party Advisory
https://knowledgebase.progress.com/articles/Article/Security-Advisory-for-Resolving-Security-vulnerabilities-September-2 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-9248Telerik UI for ASP.NET AJAX and Sitefinity cryptographic key protection flawTelerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX (before R2 2017 SP1) and Sitefinity (before 10.0.6412.0) fails to properly protect the Tel…KEVEPSS 75%analysed9.8CVE-2026-7198Progress sitefinity improper access control vulnerabilityCWE-284: Improper Access Control in web services in Progress Sitefinity 15.4.8623 before 15.4.8630 allows a remote unauthenticated attacker to access…EPSS 0.65%9.8CVE-2023-29375Progress sitefinity unrestricted file upload vulnerabilityAn issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826, 14.2 before 14.2.7930, and 14.3 b…EPSS 0.82%9.8CVE-2019-17392Progress sitefinity weak password recovery vulnerabilityProgress Sitefinity 12.1 has a Weak Password Recovery Mechanism for a Forgotten Password because the HTTP Host header is mishandled.EPSS 1.1%9.8CVE-2017-15883Progress sitefinity improper authentication vulnerabilitySitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and consequently cause a denial of servic…EPSS 1.9%8.8CVE-2026-7201Progress sitefinity insecure direct object reference vulnerabilityCWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity 15.2.x before 15.2.8441, 15.3.x before 15.3.8531, an…EPSS 0.55%8.8CVE-2017-18179Progress sitefinity improper authentication vulnerabilityProgress Sitefinity 9.1 uses wrap_access_token as a non-expiring authentication token that remains valid after a password change or a session termina…EPSS 2.8%8.1CVE-2026-7195Progress sitefinity improper input validation vulnerabilityCWE-20: Improper Input Validation in web services in Progress Sitefinity 14.1.x through 14.3.x, 14.4.x before 14.4.8152, 15.0.x before 15.0.8234, 15.…EPSS 0.62%

Source: NIST National Vulnerability Database (record CVE-2018-17055), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.