XSS in Rack
CVE-2018-16471
There is a possible XSS vulnerability in Rack before 2.0.6 and 1.6.11. Carefully crafted requests can impact the data returned by the `scheme` method on `Rack::Request`. Applications that expect the scheme to be limited to 'http' or 'https…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.018 (76.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Rack — versions 2.0.6, 1.6.11
- Rack_project Rack
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (x_refsource_MISC)
- support@hackerone.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_UBUNTU, vendor-advisory)
- support@hackerone.com (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-16471?
- CVE-2018-16471 is a medium-severity vulnerability in Rack, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-13.
- How severe is CVE-2018-16471?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2018-16471 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.