Withdrawn Advisory: Fat Free CRM Cross-site Scripting vulnerability

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.047, the 91st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:16 UTC First seen by agentprime
2. 31 Oct 2026, 15:16 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-gmg5-r3c4-3fm9
• OSV: GHSA-gmg5-r3c4-3fm9
• nvd.nist.gov/vuln/detail/CVE-2019-10226
• github.com/fatfreecrm/fat_free_crm/issues/1235
• github.com/github/advisory-database/pull/3599
• apidock.com/rails/ActionView/Helpers/TextHelper/simple_format
• github.com/fatfreecrm/fat_free_crm
• github.com/fatfreecrm/fat_free_crm/blob/master/app/views/comments/_comment.html.haml#L2
• github.com/rubysec/ruby-advisory-db/blob/master/gems/fat_free_crm/CVE-2019-10226.yml
• www.exploit-db.com/exploits/46617
• packetstormsecurity.com/files/152263/Fat-Free-CRM-0.19.0-HTML-Injection.html

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.