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CVE-2018-3769
ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.
- 6.1MediumCVSS base score
- 1.4%Exploitation in 30 daysEPSS · top 27% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.
Timeline
ID reserved
By hackerone
- 6 months later
· 6 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
Ruby Grape · ruby-grape ruby gem
- affected >= 1.0.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsgrapeGHSA-f599-5m7p-hcpf (opens in a new tab)
References
3
- https://github.com/ruby-grape/grape/commit/6876b71efc7b03f7ce1be3f075eaa4e7e6de19af (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/ruby-grape/grape/issues/1762 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/ruby-grape/grape/pull/1763 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-0396 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f599-5m7p-hcpf (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-3769)Record last updated .