What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Emilia Projects Progress Planner allows Stored XSS.
This issue affects Progress Planner: from n/a through 1.9.0.
Explanation of Vulnerability in Simple Terms
02Summary
Progress Planner versions up to 1.9.0 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users' sessions. Impact is limited to low-level data exposure and site defacement.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they interact with the affected page.
Potential impact on your site
04Site Impact
An admin account could be compromised to inject scripts affecting other users' sessions and data.
Conditions required to exploit
05Prerequisites
Attacker must have administrator privileges and the victim must click a malicious link or visit a crafted page.
Key dates
06Disclosure timeline
June 2, 2026
CVE published
June 2, 2026
Record updated