Vulnerability · Published Aug 9, 2026 · Assigned by VulDB

CVE-2026-19353DedeCMS Installation Wizard index.php _4_Setup file inclusion

Medium 5.0

In plain English

A medium-severity security flaw in DedeCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium

Exploit odds (30 days)0.4%top 68.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in DedeCMS up to 5.7.118 UTF8SP2. The affected element is the function _4_Setup of the file install/index.php of the component Installation Wizard. Such manipulation leads to file inclusion. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
n/a	DedeCMS	5.7.118 UTF8SP2

Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-387207 | DedeCMS Installation Wizard index.php _4_Setup file inclusion vdb-entry, technical-description
VDB-387207 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-19353 | CVE Analysis and Report third-party-advisory
Submit #865977 | dededev dedemcs v5.7.118 UTF8SP2 and prior File Inclusion third-party-advisory
https://github.com/I4m6da/CVE/issues/9 exploit, issue-tracking