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.

CVSS 4.0

8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-25)

CWE

CWE-89

Published

2026-10-20

Modified

2026-10-23

Record from

the NVD, synced 2026-10-23

References

• 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.cnblogs.com/rebeyond/p/4951418.html
• https://www.vulncheck.com/advisories/foosun-dotnetcms-1.0-2.0-sql-injection-via-city-ajax-aspx

Check your stackJSON