Read the docs
TI-2021-07552 Aliases CVE-2021-25313GHSA-6m8r-jh89-rq7h

Rancher: XSS on /v3/cluster/

Priority LOW 34CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rancher allows remote attackers to execute JavaScript via malicious links. This issue affects: SUSE Rancher Rancher versions prior to 2.5.6.

Why it matters now

EPSS 0.01498 74th percentileScored 2026-11-07
Fix Fixed Rancher (SUSE): 2.5.6github.com/rancher/rancher (Go): 2.5.6, 2.4.14, 2.3.11

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SUSERancherRancher to before 2.5.62.5.6Patch availableCNA
—github.com/rancher/rancher (Go)2.5.0 to before 2.5.62.5.6Patch availableGHSA-6m8r-jh89-rq7h
—github.com/rancher/rancher (Go)2.4.0 to before 2.4.142.4.14Patch availableGHSA-6m8r-jh89-rq7h
—github.com/rancher/rancher (Go)before 2.3.112.3.11Patch availableGHSA-6m8r-jh89-rq7h
  • Rancher VendorSUSE Affected Rancher to before 2.5.6 Fixed in 2.5.6 Patch available CNA
  • github.com/rancher/rancher (Go) Vendor— Affected 2.5.0 to before 2.5.6 Fixed in 2.5.6 Patch available GHSA-6m8r-jh89-rq7h
  • github.com/rancher/rancher (Go) Vendor— Affected 2.4.0 to before 2.4.14 Fixed in 2.4.14 Patch available GHSA-6m8r-jh89-rq7h
  • github.com/rancher/rancher (Go) Vendor— Affected before 2.3.11 Fixed in 2.3.11 Patch available GHSA-6m8r-jh89-rq7h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*before 2.5.6VulnerableSUSE
  • cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:* Versions before 2.5.6 Vulnerable ·SUSE

Remediation

  • Fix · CNA Rancher (SUSE) Fixed in 2.5.6
  • Fix · GHSA-6m8r-jh89-rq7h github.com/rancher/rancher (Go) Fixed in 2.5.6 Advisory →
  • Fix · GHSA-6m8r-jh89-rq7h github.com/rancher/rancher (Go) Fixed in 2.4.14 Advisory →
  • Fix · GHSA-6m8r-jh89-rq7h github.com/rancher/rancher (Go) Fixed in 2.3.11 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25313
  2. 2026-10-03 Alias added: GHSA-6m8r-jh89-rq7h

References

Advisory 4

Other 2

  • TI-2021-14903 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object CVSS 3.1CRITICAL 9.9
  • TI-2022-21489 Rancher: Non-random authentication token CVSS 3.1CRITICAL 9.8
  • TI-2019-08380 An issue was discovered that affects the following versions of Rancher: v2.0.0 through… CVSS 3.0CRITICAL 9.8
  • TI-2023-08827 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2023-08823 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2022-21491 Rancher: Exposure of sensitive fields CVSS 3.1CRITICAL 9.9
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences