How severe is CVE-2021-25967?

CVE-2021-25967 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-25967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25967?

CVE-2021-25967 affects Okfn Ckan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25967?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-25967 published?

CVE-2021-25967 was published on 2021-12-01 and last updated on 2026-06-17.

CVE-2021-25967

CVE-2021-25967 is a medium-severity vulnerability in Okfn Ckan with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Okfn Ckan
Published: 2021-12-01
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2021-25967?: 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
How severe is CVE-2021-25967?: CVE-2021-25967 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-25967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25967?: CVE-2021-25967 affects Okfn Ckan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25967 published?: CVE-2021-25967 was published on 2021-12-01 and last updated on 2026-06-17.

References

https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25967

Affected products (1)

cpe:2.3:a:okfn:ckan:*:*:*:*:*:*:*:*

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