Sidekiq-cron thru 2.3.1, an open-source scheduling add-on for Sidekiq, is vulnerable to a cross-site scripting (xss) vulnerability via crafted URL being rended from cron.erb.
https://github.com/sidekiq-cron/sidekiq-cron/releases/tag/v2.4.0
https://github.com/sidekiq-cron/sidekiq-cron/issues/569
Source: Mitre, NVD
Published: 2026-05-07
Updated: 2026-05-08
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00006