CVE-2018-20975
Cross-site scripting in fat_free_crm
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
CVE-2018-20975- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
CVE-2018-20975- Updated
- 2026-11-02
EUVDEUVD-2019-0619 No score
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
EUVD-2019-0619- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4p8f-mmfj-r45g
Cross-site scripting in fat_free_crm
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
GHSA-4p8f-mmfj-r45g- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
CVE-2018-20975- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-4p8f-mmfj-r45g
Cross-site scripting in fat_free_crm
Fat Free CRM before 0.18.1 has XSS in the tags_helper in app/helpers/tags_helper.rb.
- Record
GHSA-4p8f-mmfj-r45g- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fat_free_crmRubyGems |
before 0.18.1 | 0.18.1 |
fat_free_crmRubyGems |
before 0.18.1, plus listed versions 0.11.00.11.10.11.20.11.30.11.4 Show 28 moreShow less0.12.00.12.10.12.20.12.30.13.00.13.10.13.20.13.30.13.40.13.50.13.60.14.00.14.10.14.20.15.00.15.0.beta0.15.0.beta.20.15.10.15.20.16.00.16.10.16.20.16.30.16.40.17.10.17.20.17.30.18.0 |
0.18.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20975 is a medium vulnerability (CVSS 6.1) in Fatfreecrm Fat Free Crm, published August 20, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. Fixed in fat_free_crm 0.18.1.
References
github.com/fatfreecrm/fat_free_crm/releases/tag/v0.18.1
nvd.nist.gov/vuln/detail/CVE-2018-20975