Detections
Analytics

SCA: security update for rack (GHSA-5r2p-j47h-mhpg)

medium Tenable Cloud Security Plugin ID 421999

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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' and do not escape the return value could be vulnerable to an XSS attack.
 Note that applications using the normal escaping mechanisms provided by Rails may not impacted, but
 applications that bypass the escaping mechanisms, or do not use them may be vulnerable. (CVE-2018-16471)

See Also

https://github.com/advisories/GHSA-5r2p-j47h-mhpg

Plugin Details

Severity: Medium

ID: 421999

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.14

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2018-16471

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/15/2018

Vulnerability Publication Date: 6/11/2018

Reference Information

CVE: CVE-2018-16471

BID: 107207

cwe: CWE-79