CVE-2021-28998 File upload in n/a

High 7.2 Published Updated

Authenticated attackers can upload malicious phar files to execute arbitrary code on CMS Made Simple installations.

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

What is CVE-2021-28998?

CVE-2021-28998 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple, published on 8 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

File upload vulnerability in CMS Made Simple through 2.2.15 allows remote authenticated attackers to gain a webshell via a crafted phar file.

Weakness: CWE-434

Which versions are affected by CVE-2021-28998?

It affects 1 product.

Products include Cmsmadesimple Cms Made Simple.

How do I fix CVE-2021-28998?

No fix has been published for CVE-2021-28998 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28998 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-28998 exists.

All Cmsmadesimple Cms Made Simple vulnerabilities

Sources

Also known as GHSA-h6jm-ghq6-38cg.

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