Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload in github.com/lin-snow/ech0
Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/lin-snow/ech0 before v4.4.3.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-79670US | medium4.8 | — | ||
Ech0 before 4.4.3 contains a stored cross-site scripting vulnerability in the file upload endpoint that validates Content-Type using only client-supplied headers without server-sid… | ||||
references
External citations — patches, advisories, analysis.
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