Update CHANGELOG, README badges and installation instructions

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [v0.9.3](https://github.com/shaarli/Shaarli/releases/tag/v0.9.3) - 2018-01-04
+**XSS vulnerability fixed. Please update.**
+
+## Security
+- Fix an XSS (cross-site-scripting) vulnerability in `index.php`
+
+
 ## [v0.9.2](https://github.com/shaarli/Shaarli/releases/tag/v0.9.2) - 2017-10-07
 
 **Major security issue fixed. Please update.**
@@ -42,6 +49,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Fixed reflected XSS vulnerability introduced in v0.9.1, discovered by @chb9 ([CVE-2017-15215](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15215)).
 
+
 ## [v0.9.1](https://github.com/shaarli/Shaarli/releases/tag/v0.9.1) - 2017-08-23
 
 The documentation has been migrated to ReadTheDocs:
@@ -171,6 +179,12 @@ Theming:
 - Markdown plugin: escape HTML entities by default
 
 
+## [v0.8.5](https://github.com/shaarli/Shaarli/releases/tag/v0.8.5) - 2018-01-04
+**XSS vulnerability fixed. Please update.**
+
+## Security
+- Fix an XSS (cross-site-scripting) vulnerability in `index.php`
+
 ## [v0.8.4](https://github.com/shaarli/Shaarli/releases/tag/v0.8.4) - 2017-03-04
 ### Security
 - Markdown plugin: escape HTML entities by default

README.md

@@ -6,10 +6,10 @@ _Do you want to share the links you discover?_
 _Shaarli is a minimalist link sharing service that you can install on your own server._
 _It is designed to be personal (single-user), fast and handy._
 
-[![](https://img.shields.io/badge/stable-v0.8.4-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.8.4)
+[![](https://img.shields.io/badge/stable-v0.8.5-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.8.5)
 [![](https://img.shields.io/travis/shaarli/Shaarli/stable.svg?label=stable)](https://travis-ci.org/shaarli/Shaarli)
 •
-[![](https://img.shields.io/badge/latest-v0.9.2-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.9.2)
+[![](https://img.shields.io/badge/latest-v0.9.3-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.9.3)
 [![](https://img.shields.io/travis/shaarli/Shaarli/latest.svg?label=latest)](https://travis-ci.org/shaarli/Shaarli)
 •
 [![](https://img.shields.io/badge/master-v0.9.x-blue.svg)](https://github.com/shaarli/Shaarli)

doc/md/Download-and-Installation.md

@@ -25,11 +25,11 @@ Using one of the following methods:
 
 In most cases, you should download the latest Shaarli release from the [releases](https://github.com/shaarli/Shaarli/releases) page. **Download our *shaarli-full* archive** to include dependencies.
 
-The current latest released version is `v0.9.1`
+The current latest released version is `v0.9.3`
 
 ```bash
-$ wget https://github.com/shaarli/Shaarli/releases/download/v0.9.1/shaarli-v0.9.1-full.zip
+$ wget https://github.com/shaarli/Shaarli/releases/download/v0.9.3/shaarli-v0.9.3-full.zip
-$ unzip shaarli-v0.9.1-full.zip
+$ unzip shaarli-v0.9.3-full.zip
 $ mv Shaarli /path/to/shaarli/
 ```