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CVE-2018-3769

grape subject to Cross-site Scripting

6.1 MediumFix available

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

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

1.43%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
CVE-2018-3769
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
CVE-2018-3769
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2018-0396 No score

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
EUVD-2018-0396
Updated
2026-11-03
GitHub AdvisoriesGHSA-f599-5m7p-hcpf 6.1

grape subject to Cross-site Scripting

The grape rubygem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
GHSA-f599-5m7p-hcpf
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 6.1

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
CVE-2018-3769
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2018-3769 6.1

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
DEBIAN-CVE-2018-3769
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-f599-5m7p-hcpf 6.1

grape subject to Cross-site Scripting

The grape rubygem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
GHSA-f599-5m7p-hcpf
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVUBUNTU-CVE-2018-3769 6.1

ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.

Record
UBUNTU-CVE-2018-3769
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
grape
RubyGems
 before 1.1.0
1.1.0
ruby-grape
Debian:12
 before 1.1.0-1
1.1.0-1
grape
RubyGems
 before 1.1.0, plus listed versions
0.0.0.alpha.10.0.0.alpha.20.1.00.1.10.1.3
Show 39 moreShow less
0.1.40.1.50.10.00.10.10.11.00.12.00.13.00.14.00.15.00.16.10.16.20.17.00.18.00.19.00.19.10.19.20.2.00.2.10.2.1.10.2.20.2.30.2.40.2.50.2.60.3.00.3.10.3.20.4.00.4.10.5.00.6.00.6.10.7.00.8.00.9.01.0.01.0.11.0.21.0.3
1.1.0
ruby-grape
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.12.0-10.13.0-1
 None known
ruby-grape
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.16.2-20.19.2-31.0.2-1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-3769 is a medium vulnerability (CVSS 6.1) in Ruby Grape Ruby-grape Ruby Gem, published July 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. Fixed in grape 1.1.0.

References

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