Medium 6.4Published Oct 13, 2026

CVE-2026-63169Omnispace Agora Project < 26.10.0 Stored XSS via Messenger Iframe

Updated under an hour ago (2026-10-19 09:40 UTC)

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Every CVE for Omnispace Agora Project

Exploited in the last 30 days

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.

CVSS: 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 17, 2026
First seen by InfoSec Signals: Oct 13, 2026

Affected products

Affected products

Omnispace Agora Project omnispace:agora_project (from the name)	before 26.10.0	CNA record

References

https://github.com/xech/agora-project/releases/tag/26.10release-notes, patch
https://www.agora-project.net/product
https://www.vulncheck.com/advisories/omnispace-agora-project-stored-xss-via-messenger-iframethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.