CVE-2026-63169
Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that…
- Risk score
- 42/100
- CVSS
- 6.4 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 automatica…
- Affected
- See advisory
- Fix
- Upgrade the product to 26.10.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.4 medium
References
Original description
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.
Last activity 13 Oct 2026. Patch Forecast updates every hour.