CVE-2015-20128

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.

Score

CVSS 4.0 8.8 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-20

Last modified

2026-10-23

Weaknesses

CWE-89

Affected products

• Dotnetcms (Foosun)

References

• https://www.cnblogs.com/rebeyond/p/4951418.html
• https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/dotnetcms-sqli.yaml
• https://web.archive.org/web/20150203014116/http://www.foosun.net/
• https://www.vulncheck.com/advisories/foosun-dotnetcms-1.0-2.0-sql-injection-via-city-ajax-aspx