What’s Vulnerable › Vulnerabilities

CVE-2018-3769

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-05 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Ruby Grape ruby-grape ruby gem: through 1.0.3

References

• https://github.com/ruby-grape/grape/commit/6876b71efc7b03f7ce1be3f075eaa4e7e6de19af
• https://github.com/ruby-grape/grape/issues/1762
• https://github.com/ruby-grape/grape/pull/1763
• https://github.com/ruby-grape/grape/commit/6876b71efc7b03f7ce1be3f075eaa4e7e6de19af
• https://github.com/ruby-grape/grape/issues/1762
• https://github.com/ruby-grape/grape/pull/1763

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