CVE-2023-34842 Code injection in n/a

Critical 9.8 Published 31 Jul 2023 Updated 9 Jul 2026

Remote attackers can execute arbitrary code on DedeCMS installations via a crafted POST request to the template editor.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-34842?

CVE-2023-34842 is a critical code injection vulnerability in Dedecms Dedecms, published on 31 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Remote Code Execution vulnerability in DedeCMS through 5.7.109 allows remote attackers to run arbitrary code via crafted POST request to /dede/tpl.php.

Weakness: CWE-94

Which versions are affected by CVE-2023-34842?

It affects 1 product.

Products include Dedecms Dedecms.

How do I fix CVE-2023-34842?

No fix has been published for CVE-2023-34842 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-34842 being exploited?

There is no known exploitation of CVE-2023-34842 in the wild and no public exploit code.

All Dedecms Dedecms vulnerabilities

Sources

Also known as GHSA-285h-wrpm-68wf.