CVE-2023-50727

Resque vulnerable to reflected XSS in Queue Endpoint

6.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: High
Availability: None

Exploit likelihood

0.51%Up 0.5 points since Dec 23, 2023

What each source reports

CVE List Score used 6.3

Resque vulnerable to reflected XSS in Queue Endpoint

Record: CVE-2023-50727
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-3287 6.3

Record: EUVD-2023-3287
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r9mq-m72x-257g 6.3

Resque vulnerable to reflected XSS in Queue Endpoint

Impact

Reflected XSS can be performed using the current_queue portion of the path on the /queues endpoint of resque-web.

Patches

v2.6.0

Workarounds

No known workarounds at this time. It is recommended to not click on 3rd party or untrusted links to the resque-web interface until you have patched your application.

References

https://github.com/resque/resque/pull/1865

Record: GHSA-r9mq-m72x-257g
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-79, CWE-233
Updated: 2026-11-02

NVD 6.3

Record: CVE-2023-50727
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
CVSS 3.1: 6.1 MediumCVSS: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

OSV 6.3

Resque vulnerable to reflected XSS in Queue Endpoint

Record: CVE-2023-50727
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-r9mq-m72x-257g 6.3

Resque vulnerable to reflected XSS in Queue Endpoint

Impact

Reflected XSS can be performed using the current_queue portion of the path on the /queues endpoint of resque-web.

Patches

v2.6.0

Workarounds

No known workarounds at this time. It is recommended to not click on 3rd party or untrusted links to the resque-web interface until you have patched your application.

References

https://github.com/resque/resque/pull/1865

Record: GHSA-r9mq-m72x-257g
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
Weakness: CWE-233, CWE-79
Updated: 2026-11-02

Affected products

resque

Affected packages

Affected packages
Package	Affected	Fixed
`resque` RubyGems	before 2.6.0	2.6.0
`resque` RubyGems	before 2.6.0, plus listed versions 0.2.01.0.01.1.01.10.01.11.0 Show 45 moreShow less 1.12.01.13.01.14.01.15.01.16.01.16.11.17.01.17.11.18.01.18.11.18.21.18.31.18.41.18.51.18.61.19.01.2.01.2.11.2.31.20.01.21.01.22.01.23.01.23.11.24.01.24.11.25.01.25.0.pre1.25.11.25.21.26.01.26.pre.01.27.01.27.11.27.21.27.31.27.41.3.01.3.11.4.01.5.01.5.11.5.21.6.01.6.1	2.6.0

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-50727 is a medium vulnerability (CVSS 6.3) in Resque, published December 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. Fixed in resque 2.6.0.

References

This page doesn't list everything

Left out here: 26 versions. The JSON record has them.