Submit #674552: MaxSite CMS 109 file writing vulnerabilityinfo

TitleMaxSite CMS 109 file writing vulnerability
DescriptionMaxSite CMS ≤ v109 has a file writing vulnerability in application/maxsite/admin/plugins/editor_files/save-file-ajax.php. Authenticated attackers can write arbitrary content to existing files within the application's templates directory via POST parameters file_path (base64 encoded) and content. The vulnerability is exploitable through the /ajax/ endpoint and allows overwriting files like info.php in application/maxsite/templates/default/, potentially leading to remote code execution.
Source⚠️ https://note-hxlab.wetolink.com/share/lIWZkTHQPSVh
User
 V3geD4g (UID 60725)
Submission10/14/2025 08:05 (8 months ago)
Moderation10/27/2025 15:14 (13 days later)
StatusAccepted
VulDB entry330137 [MaxSite CMS up to 109 save-file-ajax.php file_path/content unrestricted upload]
Points20

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