CVE-2021-30151

MEDIUM NUCLEI

Sidekiq < 5.1.3 and 6.x < 6.2.0 - Cross-Site Scripting via Live-Poll Queue Name

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-30151 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

Sidekiq through 5.1.3 and 6.x through 6.2.0 allows XSS via the queue name of the live-poll feature when Internet Explorer is used.

Nuclei Templates (1)

Sidekiq <=6.2.0 - Cross-Site Scripting
MEDIUMby DhiyaneshDk
Shodan: title:"Sidekiq" || http.title:"sidekiq"
FOFA: title="sidekiq"

References (3)

Core 3
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/03/msg00015.html
Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/mperham/sidekiq/issues/4852

Scores

CVSS v3 6.1
EPSS 0.0416
EPSS Percentile 89.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (3)
contribsys/sidekiq < 5.1.3
debian/debian_linux 9.0
rubygems/sidekiq 0 - 5.2.0RubyGems
Published Apr 06, 2021
Tracked Since Feb 18, 2026