# Security Policy
## Reporting a Vulnerability
Please report security issues to ozzie.fernandez.isaacs@googlemail.com
## Supported Versions
To receive fixes for security vulnerabilities it is required to always upgrade to the latest version of Calibre-Web. See https://github.com/janeczku/calibre-web/releases/latest for the latest release.
## History
| Fixed in | Description |CVE number |
|---------------|--------------------------------------------------------------------------------------------------------------------|---------|
| 3rd July 2018 | Guest access acts as a backdoor ||
| V 0.6.7 | Hardcoded secret key for sessions |CVE-2020-12627 |
| V 0.6.13 | Calibre-Web Metadata cross site scripting |CVE-2021-25964|
| V 0.6.13 | Name of Shelves are only visible to users who can access the corresponding shelf Thanks to @ibarrionuevo ||
| V 0.6.13 | JavaScript could get executed in the description field. Thanks to @ranjit -git and Hagai Wechsler (WhiteSource) ||
| V 0.6.13 | JavaScript could get executed in a custom column of type "comment" field ||
| V 0.6.13 | JavaScript could get executed after converting a book to another format with a title containing javascript code ||
| V 0.6.13 | JavaScript could get executed after converting a book to another format with a username containing javascript code ||
| V 0.6.13 | JavaScript could get executed in the description series, categories or publishers title ||
| V 0.6.13 | JavaScript could get executed in the shelf title ||
| V 0.6.13 | Login with the old session cookie after logout. Thanks to @ibarrionuevo ||
| V 0.6.14 | CSRF was possible. Thanks to @mik317 and Hagai Wechsler (WhiteSource) |CVE-2021-25965|
| V 0.6.14 | Migrated some routes to POST-requests (CSRF protection). Thanks to @scara31 ||
| V 0.6.15 | Fix for "javascript:" script links in identifier. Thanks to @scara31 ||
| V 0.6.15 | Cross-Site Scripting vulnerability on uploaded cover file names. Thanks to @ibarrionuevo ||
| V 0.6.15 | Creating public shelfs is now denied if user is missing the edit public shelf right. Thanks to @ibarrionuevo ||
| V 0.6.15 | Changed error message in case of trying to delete a shelf unauthorized. Thanks to @ibarrionuevo ||
| V 0.6.16 | JavaScript could get executed on authors page. Thanks to @alicaz ||
| V 0.6.16 | Localhost can no longer be used to upload covers. Thanks to @scara31 ||
| V 0.6.16 | Another case where public shelfs could be created without permission is prevented. Thanks to @nhiephon ||
| V 0.6.17 | The SSRF Protection can no longer be bypassed via an HTTP redirect. Thanks to @416e6e61 ||
| V 0.6.17 | The SSRF Protection can no longer be bypassed via 0.0.0.0 and it's ipv6 equivalent. Thanks to @r0hanSH ||
## Staement regarding Log4j (CVE-2021-44228 and related)
Calibre-web is not affected by bugs related to Log4j. Calibre-Web is a python program, therefore not using Java, and not using the Java logging feature log4j.
