CVE-2017-14723

Before version 4.8.2, WordPress mishandled % characters and additional placeholder values in $wpdb->prepare, and thus did not properly address the possibility…

published September 23, 2017

CVSS
—
EPSS
7%
Percentile
93.7
In the wild
Unconfirmed
What it is

⚠️ WordPress had a sneaky little hiccup with how it handled % characters in SQL queries! Before version 4.8.2, plugins and themes could let SQL injection attacks slip through. 😱 Think of it like a restaurant forgetting to check allergies on a food order. Just as a chef might accidentally serve a dish with an allergen because they didn’t verify the ingredients, this vulnerability allowed harmful code to be "served up" without any proper checks. An attacker could potentially exploit this misstep to execute malicious SQL commands, leading to unauthorized access to your database or even full takeover of the site. Imagine losing sensitive data or, worse, allowing attackers to modify your website content—absolutely devastating!

Put simply

Think of it like a restaurant forgetting to check allergies on a food order. Just as a chef might accidentally serve a dish with an allergen because they didn’t verify the ingredients, this vulnerability allowed harmful code to be "served up" without any proper checks. This vulnerability stems from WordPress mishandling the % character in `$wpdb->prepare`, which could leave the door open for SQL injection within plugins and themes, putting sensitive data at risk.

What to do

An attacker could potentially exploit this misstep to execute malicious SQL commands, leading to unauthorized access to your database or even full takeover of the site. Imagine losing sensitive data or, worse, allowing attackers to modify your website content—absolutely devastating! To protect your site, update WordPress to version 4.8.2 or later immediately. Additionally, audit your plugins and themes to ensure they are secure and follow best practices for database queries. Don't forget to periodically review security updates! You've got this! With these steps, you’ll strengthen your site’s defenses in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06518 · 93.7th percentile
Published
2017-09-23T20:00Z
EPSS history
Timeline
  • 23 SEP 20:00Z
    Before version 4.8.2, WordPress mishandled % characters and additional placeholder values in $wpdb->prepare, and thus did not properly address the possibility…
    cvelistv5