CVE-2021-25967 - CVE House
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Status published Medium CVE-2021-25967

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

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • WhiteSource Vulnerability Research Team (WVR)

References

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Affected Vendor

Affected Software

ckan
Vulnerable Versions:
2.9.0, unspecified

Timeline

Official Publish: December 1st, 2021
Last Modified: April 30th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact