PT-2021-18635 · Sidekiq+4 · Sidekiq+4

Xhzeem · Published 2021-04-06 · Updated 2025-12-15 · CVE-2021-30151

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Sidekiq versions 5.1.3 and earlier Sidekiq versions 6.x through 6.2.0

Description The issue allows for XSS via the queue name of the live-poll feature, specifically when Internet Explorer is used.

Recommendations For Sidekiq versions 5.1.3 and earlier, update to a version later than 5.1.3 to resolve the issue. For Sidekiq versions 6.x through 6.2.0, update to a version later than 6.2.0 to resolve the issue. As a temporary workaround, consider restricting access to the live-poll feature when using Internet Explorer until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-30151

DLA-2943-1

DLA-3360-1

DLA-4407-1

GHSA-GRH7-935J-HG6W

RHSA-2022:5498

RLSA-2022:5498

USN-7695-1

Affected Products

Debian

Linuxmint

Rocky Linux

Sidekiq

Ubuntu

References · 499

• 🔥 https://github.com/mperham/sidekiq/issues/4852 · Exploit
• https://errata.rockylinux.org/RLSA-2022:5498 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3360-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-grh7-935j-hg6w · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30151 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30151 · Security Note
• https://osv.dev/vulnerability/DLA-4407-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7695-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-30151 · Security Note
• https://osv.dev/vulnerability/RLSA-2022:5498 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30151 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30151 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7695-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30151 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30151 · Vendor Advisory