What the vulnerability does
01Description
Missing Authorization vulnerability in Thad Allender GPP Slideshow gpp-slideshow allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects GPP Slideshow: from n/a through <= 1.3.5.
Explanation of Vulnerability in Simple Terms
02Summary
GPP Slideshow versions 1.3.5 and earlier lack proper authorization checks, allowing authenticated users to modify content they should not have access to. An attacker with a low-privilege account can alter slideshow data without proper permission validation. The vulnerability affects the integrity of slideshow content but does not expose sensitive information or disrupt availability.
What an attacker can do
03Attacker Capabilities
Modify slideshow content without proper authorization.
Potential impact on your site
04Site Impact
Unauthorized users can alter slideshow presentations, potentially defacing or corrupting site content.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account on the site.
Key dates
06Disclosure timeline
June 6, 2025
CVE published
April 28, 2026
Record updated