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TI-2021-07973 Aliases CVE-2021-25967GHSA-6w9p-88qg-p3g3

CKAN - Stored Cross-Site Scripting (XSS) via SVG File Upload

Priority MEDIUM 58CWE-79Published · Updated

Key facts

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

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

Summary

In CKAN, versions 2.9.0 to 2.9.3 are affected by a stored XSS vulnerability via SVG file upload of users’ profile picture. This allows low privileged application users to store malicious scripts in their profile picture. These scripts are executed in a victim’s browser when they open the malicious profile picture

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00509 43rd percentileScored 2026-11-07
Fix Fixed ckan (PyPI): 2.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ckanckan2.9.0 and later; up to 2.9.3—No fix listedCNA
—ckan (PyPI)2.9.0 to before 2.10.02.10.0Patch availableGHSA-6w9p-88qg-p3g3
  • ckan Vendorckan Affected 2.9.0 and later; up to 2.9.3 Fixed in — No fix listed CNA
  • ckan (PyPI) Vendor— Affected 2.9.0 to before 2.10.0 Fixed in 2.10.0 Patch available GHSA-6w9p-88qg-p3g3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:okfn:ckan:*:*:*:*:*:*:*:*2.9.0 – 2.9.3Vulnerableckan
  • cpe:2.3:a:okfn:ckan:*:*:*:*:*:*:*:* Versions 2.9.0 – 2.9.3 Vulnerable ·ckan

Remediation

  • Fix · GHSA-6w9p-88qg-p3g3 ckan (PyPI) Fixed in 2.10.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-25967
  2. 2026-10-03 Alias added: GHSA-6w9p-88qg-p3g3

References

Patch 1

Advisory 2

Other 4

  • TI-2026-29863 CKAN: CSRF exemption primed by anonymous requests CVSS 3.1MEDIUM 6.1
  • TI-2023-15615 CKAN remote code execution and private information access via crafted resource ids CVSS 3.1CRITICAL 9.8
  • TI-2026-30410 CKAN: Unauthenticated SQL Injection and Authorization Bypass in `datastore_search_sql` CVSS 4.0HIGH 8.3
  • TI-2023-08919 CKAN is vulnerable to session secret shared across instances using Docker images CVSS 3.1HIGH 8.6
  • TI-2023-15972 Excessive permissions for ckan user CVSS 3.1HIGH 8.8
  • TI-2022-21443 CKAN through 2.9.6 account takeovers by unauthenticated users when an existing user id is… CVSS 3.1HIGH 8.8
See all 13 →

Sources

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