How severe is CVE-2017-16950?

CVE-2017-16950 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-16950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16950?

CVE-2017-16950 affects Urbackup Urbackup Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16950?

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

When was CVE-2017-16950 published?

CVE-2017-16950 was published on 2017-12-17 and last updated on 2026-06-17.

CVE-2017-16950

CVE-2017-16950 is a medium-severity vulnerability in Urbackup Urbackup Server with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Urbackup Urbackup Server
Published: 2017-12-17
Last modified: 2026-06-17

Description

Cross - site scripting (XSS) vulnerability in UrBackup Server before 2.1.20 allows remote attackers to inject arbitrary web script or HTML via the action parameter.

Frequently asked questions

What is CVE-2017-16950?: Cross - site scripting (XSS) vulnerability in UrBackup Server before 2.1.20 allows remote attackers to inject arbitrary web script or HTML via the action parameter.
How severe is CVE-2017-16950?: CVE-2017-16950 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-16950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16950?: CVE-2017-16950 affects Urbackup Urbackup Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16950 published?: CVE-2017-16950 was published on 2017-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:urbackup:urbackup_server:*:*:*:*:*:*:*:*

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