How severe is CVE-2017-14921?

CVE-2017-14921 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-2017-14921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14921?

CVE-2017-14921 affects Tine20 Tine 2.0. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14921?

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

When was CVE-2017-14921 published?

CVE-2017-14921 was published on 2017-09-30 and last updated on 2026-06-17.

CVE-2017-14921

CVE-2017-14921 is a medium-severity vulnerability in Tine20 Tine 2.0 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: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tine20 Tine 2.0
Published: 2017-09-30
Last modified: 2026-06-17

Description

Stored XSS vulnerability via IMG element at "Filename" of Filemanager in Tine 2.0 Community Edition before 2017.08.4 allows an authenticated user to inject JavaScript, which is mishandled during rendering by the application administrator and other users.

Frequently asked questions

What is CVE-2017-14921?: Stored XSS vulnerability via IMG element at "Filename" of Filemanager in Tine 2.0 Community Edition before 2017.08.4 allows an authenticated user to inject JavaScript, which is mishandled during rendering by the application administrator and other users.
How severe is CVE-2017-14921?: CVE-2017-14921 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-2017-14921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14921?: CVE-2017-14921 affects Tine20 Tine 2.0. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14921?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14921 published?: CVE-2017-14921 was published on 2017-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tine20:tine_2.0:*:*:*:*:community:*:*:*

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