| Package | Affected versions | Patched versions |
|---|---|---|
| webmail | ≥ 1.6.0, < 1.6.18≥ 1.7.0, < 1.7.3 | 1.6.181.7.3 |
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading Style Sheets) proxy were not validated, which may result in information disclosure or XSS (cross-site scripting) via MIME sniffing.
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