CVE-2025-67202
Sidekiq-cron is vulnerable to a cross-site scripting (xss) vulnerability via crafted URL
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-67202- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-209725
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.
- Record
EUVD-2025-209725- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xv9c-mjw8-79gf
Sidekiq-cron is vulnerable to a cross-site scripting (xss) vulnerability via crafted URL
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.
- Record
GHSA-xv9c-mjw8-79gf- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-67202- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-04
OSV
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.
- Record
CVE-2025-67202- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-05
OSVGHSA-xv9c-mjw8-79gf
Sidekiq-cron is vulnerable to a cross-site scripting (xss) vulnerability via crafted URL
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.
- Record
GHSA-xv9c-mjw8-79gf- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sidekiq-cronRubyGems |
before 2.4.0 | 2.4.0 |
sidekiq-cronRubyGems |
before 2.4.0, plus listed versions 0.1.00.1.20.1.30.1.40.1.5 Show 45 moreShow less0.1.60.1.70.1.80.1.90.2.00.3.00.3.10.4.00.4.10.4.20.4.30.4.40.4.50.5.00.5.10.6.00.6.10.6.20.6.31.0.01.0.11.0.21.0.31.0.41.1.01.10.01.10.11.11.01.12.01.2.01.3.01.4.01.5.01.5.11.6.01.7.01.8.01.9.01.9.12.0.02.0.0.rc12.0.0.rc22.0.12.1.02.2.0 |
2.4.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-67202 is a medium vulnerability (CVSS 6.1) in sidekiq-cron, published May 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. Fixed in sidekiq-cron 2.4.0.
References
github.com/sidekiq-cron/sidekiq-cron/issues/569
nvd.nist.gov/vuln/detail/CVE-2025-67202
Left out here: 2 versions. The JSON record has them.