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Vulnerabilities

Vulnerability · CVE-2025-67202

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.

Published May 7, 2026 · catalog updated Jun 17, 2026 · Sidekiq-cron thru 2.3.1, an

Check if you run it

No confirmed exploitation is on record for CVE-2025-67202. EPSS is 0.19%. Act only if a listed version of Sidekiq-cron thru 2.3.1, an is installed.

Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2025-67202

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-67202. EPSS is 0.19%. Act only if a listed version of Sidekiq-cron thru 2.3.1, an is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 7, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-67202

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-67202

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2025-67202

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.