CVE-2026-19353 DedeCMS Installation Wizard index.php _4_Setup file inclusion
Remote attackers can exploit file inclusion in the DedeCMS installation wizard to potentially execute code or read sensitive files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19353?
CVE-2026-19353 is a low-severity path traversal vulnerability in DedeCMS, published on 9 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-73
Which versions are affected by CVE-2026-19353?
How do I fix CVE-2026-19353?
No fix has been published for CVE-2026-19353 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-19353 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19353 exists.
Sources
Also known as GHSA-qg5x-jc32-6g34.