CVE-2026-76800

Medium

Description

A flaw has been found in DeDeCMS 3. Affected by this vulnerability is an unknown functionality of the file /include/dialog/select_media_post.php. Executing a manipulation of the argument uploadfile can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used.

SeverityMedium

CVSS6.3

Exploit probability—

Product

Dedecms

PublishedAug 20, 2026

First seenAug 20, 2026

Weakness typeCWE-434Unrestricted upload of dangerous file type CWE-284Improper access control

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
dedecms dedecms	3	—

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