FatFreeCRM version <=0.14.1
, >=0.15.0 <=0.15.1
, >=0.16.0 <=0.16.3
, >=0.17.0 <=0.17.2
, and ==0.18.0
contains a Cross Site Scripting (XSS) vulnerability in commit 6d60bc8ed010c4eda05d6645c64849f415f68d65 that can result in Javascript execution. This attack appears to be exploitable via Content with Javascript payload will be executed on end user browsers when they visit the page. This vulnerability appears to have been fixed in 0.18.1, 0.17.3, 0.16.4, 0.15.2, and 0.14.2.
github.com/asteinhauser/fat_free_crm
github.com/asteinhauser/fat_free_crm/commit/306f940b26ccf3f406665f07bece1229a7a5dcfa
github.com/asteinhauser/fat_free_crm/issues/1
github.com/fatfreecrm/fat_free_crm/wiki/XSS-Vulnerability-%282018-10-27%29
github.com/rubysec/ruby-advisory-db/blob/master/gems/fat_free_crm/CVE-2018-1000842.yml
groups.google.com/forum/#!topic/fat-free-crm-users/TxsdZXSe7Jc
nvd.nist.gov/vuln/detail/CVE-2018-1000842