GHSA-8vfw-v2jv-9hwc json
Reflected cross-site scripting in development mode handler in Vaadin
published 5y ago modified last yr.
- cvss
- 2.5
- version 3.1, GitHub
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- —
- no score, EPSS covers CVEs only
- public exploits
- 0
- none known
Summary
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.
- https://vaadin.com/security/cve-2021-33604
Patch / fix
- maven com.vaadin:flow-server 2.6.2, 6.0.10
Is GHSA-8vfw-v2jv-9hwc in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.vaadin:flow-server | >=2.0.0, <2.6.2 >=3.0.0, <6.0.10 |
2.6.2 6.0.10 |
Classification
- Weakness
-
- CWE-172 Improper Encoding or Decoding of Data
References
Sources
- GitHub Advisory GHSA-8vfw-v2jv-9hwc
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.