CVE-2021-33604
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Reflected cross-site scripting in development mode handler in Vaadin 14, 15-19
URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.
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.
Vaadin
- Vendor
- Vaadin
- Product
- Vaadin
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 14.0.0 | affected | custom | unspecified | Unavailable | None listed |
| unspecified | affected | custom | Unavailable | 14.6.1 | None listed |
| 15.0.0 | affected | custom | unspecified | Unavailable | None listed |
| unspecified | affected | custom | Unavailable | 19.0.8 | None listed |
flow-server
- Vendor
- Vaadin
- Product
- flow-server
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.0.0 | affected | custom | unspecified | Unavailable | None listed |
| unspecified | affected | custom | Unavailable | 2.6.1 | None listed |
| 3.0.0 | affected | custom | unspecified | Unavailable | None listed |
| unspecified | affected | custom | Unavailable | 6.0.9 | None listed |