CVE-2021-37144

CSZ CMS 1.2.9 is vulnerable to Arbitrary File Deletion

published July 29, 2021

CVSS
โ€”
EPSS
1%
Percentile
69.7
In the wild
Unconfirmed
What it is

โš ๏ธ A tiny oversight in CSZ CMS 1.2.9 allows file deletion to dance through user input! Imagine giving a guest a spare key to your house without checking their intentions. ๐Ÿ ๐Ÿ’จ This vulnerability is like a checkout clerk who doesn't check the validity of a return. If a customer says a product is faulty, they accept it back without verifying, potentially returning items that should never have left the store. An attacker could exploit this flaw to delete crucial files from your server, potentially wiping out vital data! Imagine losing your entire website because someone was able to remove critical files just by tricking the system into thinking they were legit.

Put simply

This vulnerability is like a checkout clerk who doesn't check the validity of a return. If a customer says a product is faulty, they accept it back without verifying, potentially returning items that should never have left the store. The flaw occurs when the unlink() function in PHP is called with user input that isn't properly sanitized, allowing attackers to manipulate the file path and remove files they shouldn't have access to.

What to do

An attacker could exploit this flaw to delete crucial files from your server, potentially wiping out vital data! Imagine losing your entire website because someone was able to remove critical files just by tricking the system into thinking they were legit. To remediate this, ensure you update CSZ CMS to the latest version that addresses this vulnerability. Additionally, implement strict input validation and sanitization protocols for any file deletion operations. Regularly monitor file permissions and audit logs for unusual activity. You've got this! With a few tweaks, you can keep your files safe and sound. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01276 ยท 69.7th percentile
Published
2021-07-29T17:25Z
EPSS history
Timeline
  • 29 JUL 17:25Z
    CSZ CMS 1.2.9 is vulnerable to Arbitrary File Deletion
    cvelistv5