Executive brief
Easy Blog Site, a web application for managing blog content, contains a security vulnerability that allows for cross-site scripting (XSS). An attacker can use this flaw to inject malicious scripts into blog post titles, which could then execute in the browsers of other users or administrators. This could lead to unauthorized actions being performed in a user's session or the theft of sensitive information like session cookies.
Technical details
A stored cross-site scripting (XSS) vulnerability exists in code-projects Easy Blog Site 1.0 within the /posts/update.php component. The vulnerability is caused by improper neutralization of user-supplied input in the 'postTitle' parameter. A remote attacker with low privileges can exploit this by submitting a specially crafted blog post title containing malicious JavaScript. When other users or administrators view the affected post, the script executes in their browser context. This can lead to session hijacking or unauthorized modification of web content. A public exploit (PoC) has been disclosed.
Affected products
- code-projects Easy Blog Site 1.0
Timeline
- 2026-04-08: disclosed: Public disclosure of the vulnerability and exploit code.
- 2026-04-08: advisory: CVE-2026-5806 published.