CVE-2025-23440 MEDIUM

CVE-2025-23440: WordPress radSLIDE plugin <= 2.1 - Broken Access Control to Stored Cross-Site Scripting vulnerability

Vendor Radicaldesigns

Product radSLIDE

Weakness CWE-862 · Missing authorization

Published March 3, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

6.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in radicaldesigns radSLIDE radslide allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects radSLIDE: from n/a through <= 2.1.

Explanation of Vulnerability in Simple Terms

02Summary

radSLIDE versions 2.1 and earlier lack proper authorization checks, allowing authenticated users to read, modify, or delete data they should not have access to. An attacker with a low-privilege account can exploit this to view or alter sensitive information across the application. No user interaction is required. Update to a version newer than 2.1.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete data belonging to other users or restricted areas of the application.

Potential impact on your site

04Site Impact

Unauthorized data access and modification by authenticated users; potential data loss or exposure of sensitive information.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 3, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-23440 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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