CVE-2026-63169

CVSS 6.4 (medium) · published 2026-10-13

Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated users to post messages containing attacker-controlled iframes through the messenger's HTMLPurifier SafeIframe branch. Attackers can craft a message with a malicious iframe that is stored and automatically rendered to other channel members, enabling zero-click drive-by downloads and framed JavaScript execution in recipients' browsers.

Weakness: CWE-79

Source: NVD CVE-2026-63169

References

• https://github.com/xech/agora-project/releases/tag/26.10
• https://www.agora-project.net/
• https://www.akailabs.fr/blog/multiple-vulnerabilities-in-agora-project-26-5-2#cve-2026-63169-stored-xss-via-messenger-iframe
• https://www.vulncheck.com/advisories/omnispace-agora-project-stored-xss-via-messenger-iframe

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