What’s Vulnerable › Vulnerabilities

CVE-2021-30151

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-06 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• sidekiq/sidekiq: through 5.1.3; from 6.0.0 through 6.2.0
• Debian Linux: 9.0

References

• https://github.com/mperham/sidekiq/issues/4852
• https://lists.debian.org/debian-lts-announce/2022/03/msg00015.html
• https://lists.debian.org/debian-lts-announce/2023/03/msg00011.html
• https://github.com/mperham/sidekiq/issues/4852
• https://lists.debian.org/debian-lts-announce/2022/03/msg00015.html
• https://lists.debian.org/debian-lts-announce/2023/03/msg00011.html

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