CVE-2018-20975 json
Cross-site scripting in fat_free_crm
published 2019-08-20 7 y ago modified 2026-06-17 4 mo ago also GHSA-4p8f-mmfj-r45g , EUVD-2019-0619
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
Patch / fix
- rubygems fat_free_crm 0.18.1
- fatfreecrm fat_free_crm 0.18.1
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | fat_free_crm | <0.18.1 |
0.18.1 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/fatfreecrm/fat_free_crm/commit/6d60bc8ed010c4eda05d6645c64849f415f68d65
web, patch, third-party-advisory
-
github.com
/fatfreecrm/fat_free_crm/compare/v0.17.3...v0.18.1
web, patch, third-party-advisory
-
github.com
/fatfreecrm/fat_free_crm/releases/tag/v0.18.1
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2018-20975
advisory
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/fat_free_crm/CVE-2018-20975.yml
web
Sources
- CVE List CVE-2018-20975
- GitHub Advisory GHSA-4p8f-mmfj-r45g
- NVD CVE-2018-20975
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.