CVE-2026-54049 Sakai Conversations has a Stored XSS Issue

Sakai is a Collaboration and Learning Environment CLE. From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in...

CVE-2026-54049

The Sakai Collaboration and Learning Environment is vulnerable to stored cross-site scripting (XSS) in the Conversations tool (versions 23.0 to before 23.5, and 25.0 to before 25.3). The root cause is the lack of HTML sanitization when storing topic and post messages via the ConversationsServiceI...

CVE-2026-54049 Sakai Conversations has a Stored XSS Issue

Sakai is a Collaboration and Learning Environment CLE. From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in...

CVE-2026-54049 Sakai Conversations has a Stored XSS Issue

Sakai is a Collaboration and Learning Environment CLE. From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in...

EUVD-2026-91027

Sakai is a Collaboration and Learning Environment CLE. From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in...

CVE-2026-54049: Improper Neutralization of Input During Web Page Generation

Sakai is a Collaboration and Learning Environment CLE. From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in...

Sakai Conversations has a Stored XSS Issue

Summary The Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML directive, resulting in stored cross-site scripting XSS. Any authenticated user with access to a site that has the Conversations tool enabled...