CVE-2023-50724 — Resque (pronounced like "rescue") is a Redis-backed library for creating backgro

Resque (pronounced like "rescue") is a Redis-backed library for creating background jobs, placing those jobs on multiple queues, and processing them later. resque-web in resque versions before 2.1.0 are vulnerable to reflected XSS through the current_queue parameter in

01What is this vulnerability?

Resque (pronounced like "rescue") is a Redis-backed library for creating background jobs, placing those jobs on multiple queues, and processing them later. resque-web in resque versions before 2.1.0 are vulnerable to reflected XSS through the current_queue parameter in the path of the queues endpoint. This issue has been patched in version 2.1.0.

02Affected products

Vendor	Product	Versions
resque	resque	< 2.1.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-21T14:50:29.294Z
• Last modified: 2024-08-27T15:02:43.928Z

09References

• github.com — https://github.com/resque/resque/security/advisories/GHSA-r8xx-8vm8-x6wj
• github.com — https://github.com/resque/resque/issues/1679
• github.com — https://github.com/resque/resque/pull/1687