FooSun DotNetCMS 1.0/2.0 /user/City_ajax.aspx CityId sql injection

Summaryinfo

A vulnerability was found in FooSun DotNetCMS 1.0/2.0. It has been classified as critical. This affects an unknown part of the file /user/City_ajax.aspx. The manipulation of the argument CityId leads to sql injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is traded as CVE-2015-20128. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FooSun DotNetCMS 1.0/2.0. This issue affects an unknown code block of the file /user/City_ajax.aspx. The manipulation of the argument CityId with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at cnblogs.com. The identification of this vulnerability is CVE-2015-20128 since 10/14/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/20/2026). MITRE ATT&CK project uses the attack technique T1505 for this issue.

By approaching the search of inurl:user/City_ajax.aspx it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• FooSun

Name

• DotNetCMS

Version

• 1.0
• 2.0

Support

• end of life

CPE 2.3info

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• 🔒

CPE 2.2info

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• 🔒

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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