Hongcms · Hongcms · CVE-2020-21643
**Name of the Vulnerable Software and Affected Versions**
HongCMS version 3.0
**Description**
The issue allows attackers to run arbitrary code via the `callback` parameter to the "/ajax/myshop" API endpoint. This enables attackers to execute malicious scripts, potentially leading to unauthorized access or data breaches.
**Recommendations**
For HongCMS version 3.0, consider disabling access to the "/ajax/myshop" API endpoint or restricting the use of the `callback` parameter until a patch is available. Additionally, avoid using the `callback` parameter in the affected API endpoint until the issue is resolved.