CVE-2017-16780

The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file

published November 10, 2017

CVSS
—
EPSS
6%
Percentile
93.0
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw in the MyBB installer lets remote attackers write directly to the configuration file! 🔥 Think of it like a restaurant where the chef allows anyone to change the recipe card; suddenly, you could have fish tacos instead of pasta on your plate! 🥳 With this vulnerability, an attacker could execute arbitrary code on the server, potentially hijacking the whole site. This means they could access sensitive data, change configurations, or even take complete control of your MyBB installation — and that’s absolutely devastating! 😱

Put simply

Think of it like a restaurant where the chef allows anyone to change the recipe card; suddenly, you could have fish tacos instead of pasta on your plate! 🥳 This vulnerability allows attackers to exploit the MyBB installer (before version 1.8.13) to write malicious code to the configuration file without any authentication check.

What to do

With this vulnerability, an attacker could execute arbitrary code on the server, potentially hijacking the whole site. This means they could access sensitive data, change configurations, or even take complete control of your MyBB installation — and that’s absolutely devastating! 😱 Update your MyBB installation to version 1.8.13 or later immediately to close this vulnerability. Also, review your server permissions to ensure that only trusted users can modify configuration files. 🛡️ You’ve got this! By following these steps, you’ll bolster your defenses and keep your site secure! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05766 · 93.0th percentile
Published
2017-11-10T23:00Z
EPSS history
Timeline
  • 10 NOV 23:00Z
    The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file
    cvelistv5