Moodle blog Cross Site Scripting Exploit

Some parameters were not being properly cleaned on the blog index page, allowing non-persistent cross-site scripting (XSS) attacks. Affects Moodle branch 1.9.x from 1.9.8 and prior and branch 1.8.x from 1.8.13 and prior. This bug exists in the previous and next links on a paginated blog.
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