Resque vulnerable to reflected XSS in Queue Endpoint
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79.
Summary
Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later. Reflected XSS issue occurs when /queues is appended with /"><svg%20onload=alert(domain)>. This issue has been patched in version 2.6.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00514 44th percentileScored 2026-11-07
Fix Partial resque (resque): 2.6.0resque (RubyGems): 2.6.0Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| resque | resque | before 2.6.0 | 2.6.0 | Patch available | CNA |
| — | resque (RubyGems) | before 2.6.0 | 2.6.0 | Patch available | GHSA-r9mq-m72x-257g |
- resque Vendorresque Affected before 2.6.0 Fixed in 2.6.0 Patch available CNA
- resque (RubyGems) Vendor— Affected before 2.6.0 Fixed in 2.6.0 Patch available GHSA-r9mq-m72x-257g
Remediation
- Fix · CNA resque (resque) Fixed in 2.6.0
- Fix · GHSA-r9mq-m72x-257g resque (RubyGems) Fixed in 2.6.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat 3scale API Management Platform 2 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-50727
- 2026-10-03 Alias added: GHSA-r9mq-m72x-257g
References
Patch 3
More Resque vulnerabilities
- TI-2023-27671 Resque vulnerable to reflected XSS in resque-web failed and queues lists CVSS 3.1MEDIUM 6.3
- TI-2023-27670 Resque vulnerable to reflected cross site scripting through pathname CVSS 3.1MEDIUM 6.3
Sources
- CVE-2023-50727 · CVE Program
- CVE-2023-50727 · NVD
- FIRST EPSS
- GHSA-r9mq-m72x-257g · GitHub Advisory Database · CC BY 4.0
- CVE-2023-50727 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences