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.
CVE-2025-67202
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EPSS
- 9.2%
- KEV
- Not listed
Published
May 7, 2026
Last Modified
May 8, 2026
Advisory Details (2)
Auto-updated Jun 17, 2026Reflected XSS on the Sidekiq-UI · Issue #569 · sidekiq-cron/sidekiq-cron · GitHub
https://github.com/sidekiq-cron/sidekiq-cron/issues/569v2.4.0
Patch available: sidekiq-cron/sidekiq-cron v2.4.0
https://github.com/sidekiq-cron/sidekiq-cron/releases/tag/v2.4.0Vendor Advisories for CVE-2025-67202(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| sidekiq-cron | 0.1.0 ... 2.3.1 (52 versions) | 2.4.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 111 total refreshes for this CVE.
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2025-67202?
When was CVE-2025-67202 disclosed?
Is CVE-2025-67202 actively exploited?
What is the CVSS score of CVE-2025-67202?
How do I remediate CVE-2025-67202?
Dependency Blast Radius
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