CVE-2015-20128 FooSun DotNetCMS 1.0 / 2.0 SQL Injection via City_ajax.aspx

High 8.8 Published 20 Oct 2026 Updated 23 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2015-20128?

CVE-2015-20128 is a high-severity vulnerability in FooSun DotNetCMS, published on 20 Oct 2026.

Official 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.

Weakness: CWE-89

Which versions are affected by CVE-2015-20128?

How do I fix CVE-2015-20128?

No fix has been published for CVE-2015-20128 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-20128 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-20128 exists.

Sources

Also known as GHSA-8cq3-m8mg-6c2h.