FooSun DotNetCMS 1.0 and 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate MSSQL queries through the CityId parameter. Attackers can send GET requests to /user/City_ajax.aspx with UNION SELECT payloads in CityId, concatenated unsanitized into the sys_City query, to extract database information. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.
History

Mon, 09 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Foosun
Foosun dotnetcms
Vendors & Products Foosun
Foosun dotnetcms

Tue, 20 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Description FooSun DotNetCMS 1.0 and 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate MSSQL queries through the CityId parameter. Attackers can send GET requests to /user/City_ajax.aspx with UNION SELECT payloads in CityId, concatenated unsanitized into the sys_City query, to extract database information. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.
Title FooSun DotNetCMS 1.0 / 2.0 SQL Injection via City_ajax.aspx
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-20T20:31:26.220Z

Updated: 2026-10-23T15:21:40.984Z

Reserved: 2026-10-14T20:25:24.126Z

Link: CVE-2015-20128

cve-icon Vulnrichment

Updated: 2026-10-23T15:21:37.524Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T21:17:13.357

Modified: 2026-10-23T16:16:50.197

Link: CVE-2015-20128

cve-icon Redhat

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