CVE-2021-36888CWE-284

WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise

Critical · published December 15, 2021

CVSS v3.1
9.8
EPSS
7%
Percentile
93.8
In the wild
Unconfirmed
What it is

🚨 An unauthenticated update is all it takes to compromise your entire website! This vulnerability in the Image Hover Effects Ultimate plugin allows attackers to change options without any authentication, leading to devastating consequences. 🔥 Think of this vulnerability like a restaurant where anyone can walk in and change the menu without any checks—yikes! If a malicious actor can simply stroll in and swap out your gourmet dishes for expired leftovers, your reputation—and customer trust—are at serious risk. An attacker could gain complete control over your WordPress site. They could modify settings, inject malicious code, and wreak havoc, all without needing a login. Imagine the chaos of losing your website to someone who’s not even supposed to be there!

Put simply

Think of this vulnerability like a restaurant where anyone can walk in and change the menu without any checks—yikes! If a malicious actor can simply stroll in and swap out your gourmet dishes for expired leftovers, your reputation—and customer trust—are at serious risk. This CVE-2021-36888 flaw allows any unauthenticated user to exploit the Image Hover Effects Ultimate plugin, enabling unauthorized arbitrary updates to options, which can compromise the entire website.

What to do

An attacker could gain complete control over your WordPress site. They could modify settings, inject malicious code, and wreak havoc, all without needing a login. Imagine the chaos of losing your website to someone who’s not even supposed to be there! Patch this vulnerability by updating the Image Hover Effects Ultimate plugin to version 9.6.2 or later immediately. Additionally, review user permissions and consider implementing security protocols to prevent unauthorized changes. Don't wait—act now! You've got this! With the right actions, you can secure your site and keep those pesky attackers at bay. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06532 · 93.8th percentile
Weakness
CWE-284 · Improper Access Control
Published
2021-12-15T18:06Z
EPSS history
Timeline
  • 15 DEC 18:06Z
    WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise
    cvelistv5