CVE-2026-72728
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Discourse: Onebox iframe origin allowlist enforces URL authority boundary
Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist and embedded malicious content in a site. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
discourse
- Vendor
- discourse
- Product
- discourse
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 2026.1.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2026.6.0-latest, < 2026.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2026.7.0-latest, < 2026.7.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2026.8.0-latest, < 2026.8.0-latest.1 | affected | Unavailable | Unavailable | Unavailable | None listed |