Sidekiq through 5.1.3 and 6.x through 6.2.0 allows XSS via the queue name of the…
Priority LOW 34CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.04158 90th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed sidekiq (RubyGems): 5.2.0, 6.2.1Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | sidekiq (RubyGems) | before 5.2.0 | 5.2.0 | Patch available | GHSA-grh7-935j-hg6w |
| — | sidekiq (RubyGems) | 6.0.0 to before 6.2.1 | 6.2.1 | Patch available | GHSA-grh7-935j-hg6w |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- sidekiq (RubyGems) Vendor— Affected before 5.2.0 Fixed in 5.2.0 Patch available GHSA-grh7-935j-hg6w
- sidekiq (RubyGems) Vendor— Affected 6.0.0 to before 6.2.1 Fixed in 6.2.1 Patch available GHSA-grh7-935j-hg6w
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:contribsys:sidekiq:*:*:*:*:*:*:*:* | up to 5.1.3; 6.0.0 – 6.2.0 | Vulnerable | contribsys |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:contribsys:sidekiq:*:*:*:*:*:*:*:* Versions up to 5.1.3; 6.0.0 – 6.2.0 Vulnerable ·contribsys
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
- Fix · GHSA-grh7-935j-hg6w sidekiq (RubyGems) Fixed in 5.2.0 Advisory →
- Fix · GHSA-grh7-935j-hg6w sidekiq (RubyGems) Fixed in 6.2.1 Advisory →
Red Hat 1 advisory
- RHSA-2022:5498 Released 2022-07-05 · Red Hat rating ModerateSatellite 6.11 Release
- Red Hat Satellite 6.11 for RHEL 7 candlepin-4.1.13-1.el7sat, foreman-3.1.1.21-2.el7sat, libsolv-0.7.22-1.el7pc +4
- Red Hat Satellite 6.11 for RHEL 8 candlepin-4.1.13-1.el8sat, foreman-3.1.1.21-2.el8sat, libsolv-0.7.22-1.el8pc +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Satellite 6.11 for RHEL 7 | Fixed | RHSA-2022:5498 |
Not affected: 3 products
- Red Hat 3scale API Management Platform 2
- Red Hat Satellite 6.11 for RHEL 7
- Red Hat Satellite 6.11 for RHEL 8
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30151
- 2026-10-03 Alias added: GHSA-grh7-935j-hg6w
References
Advisory 2
Sources
- CVE-2021-30151 · CVE Program
- CVE-2021-30151 · NVD
- FIRST EPSS
- GHSA-grh7-935j-hg6w · GitHub Advisory Database · CC BY 4.0
- CVE-2021-30151 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences