CVE-2023-2808
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Lack of URL normalization allows rendering previews for disallowed domains
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
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.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | semver | 7.1.9 | Unavailable | None listed |
| 0 | affected | semver | 7.8.4 | Unavailable | None listed |
| 0 | affected | semver | 7.9.3 | Unavailable | None listed |
| 7.1.9 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 7.8.4 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 7.9.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 7.10 | unaffected | Unavailable | Unavailable | Unavailable | None listed |