CVE-2026-25399 MEDIUM

CVE-2026-25399: WordPress Serious Slider plugin <= 1.2.7 - Broken Access Control vulnerability

Vendor Cryoutcreations
Product Serious Slider
Weakness CWE-862 · Missing authorization
Published February 19, 2026
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in CryoutCreations Serious Slider cryout-serious-slider allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Serious Slider: from n/a through <= 1.2.7.

Explanation of Vulnerability in Simple Terms

02Summary

Serious Slider versions 1.2.7 and earlier lack proper authorization checks, allowing authenticated users with low privileges to disrupt the slider's availability. An attacker with a basic user account can trigger a denial-of-service condition affecting the component's operation. Update to a version newer than 1.2.7 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Disrupt the slider's availability by exploiting missing authorization checks.

Potential impact on your site

04Site Impact

Authenticated users can cause the slider to become unavailable or malfunction.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account on the site.

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE