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Fencer Vulns
medium 6.3

CVE-2023-50724 json

Resque vulnerable to reflected cross site scripting through pathname

published 2023-12-18 2 y ago modified 2026-09-10 1 mo ago also GHSA-r8xx-8vm8-x6wj , EUVD-2023-3286

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

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.

Patch / fix

  • rubygems resque 2.1.0
  • resque resque 2.1.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/resque/resque/issues/1679 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N

Affected packages

ecosystem package affected fixed in
rubygems resque
<2.1.0
2.1.0

Affected products

  • resque resque

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-233 Improper Handling of Parameters

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.