Skip to content
Fencer Vulns
high 8.3

CVE-2023-1892 json

Cross-site Scripting (XSS) - Reflected in sidekiq/sidekiq

published 2023-04-05 3 y ago modified 2026-06-17 4 mo ago also GHSA-h3r8-h5qw-4r35 , EUVD-2023-1317

cvss
8.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known, plus a Nuclei check

Summary

Cross-site Scripting (XSS) - Reflected in GitHub repository sidekiq/sidekiq prior to 7.0.8.

Patch / fix

  • rubygems sidekiq 7.0.8
  • sidekiq sidekiq/sidekiq 7.0.8

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-1892 updated cvss 9.6

sidekiq: Reflected XSS on Sidekiq through multiples endpoints via GET parameter "period" in sidekiq/sidekiq

  • Red Hat Satellite 6 rubygem-sidekiq, rubygem-gitlab-sidekiq-fetcher
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Sidekiq < 7.0.8 - Cross-Site Scripting nuclei detection template
  • huntr.dev https://huntr.dev/bounties/e35e5653-c429-4fb8-94a3-cbc123ae4777 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
GitHub 3.0 8.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Affected packages

ecosystem package affected fixed in
rubygems sidekiq
>=7.0.4, <7.0.8
7.0.8

Affected products

  • sidekiq sidekiq/sidekiq

Classification

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

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.