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CVE-2021-25967

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

MEDIUM
5.4
CVSS Score
Published: December 1, 2021 at 01:40 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
2 products affected across 2 vendorsCkanCkan

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ckan· Okfn
95%
2.9.0 ≤ v ≤ 2.9.3
Ckan· Ckan
60%
v ≥ 2.9.0v ≤ 2.9.32.9.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25967

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMMend
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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