How severe is CVE-2017-6503?

CVE-2017-6503 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-2017-6503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6503?

CVE-2017-6503 affects Qbittorrent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6503?

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

When was CVE-2017-6503 published?

CVE-2017-6503 was published on 2017-03-06 and last updated on 2026-06-17.

CVE-2017-6503

CVE-2017-6503 is a medium-severity vulnerability in Qbittorrent 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% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Qbittorrent
Published: 2017-03-06
Last modified: 2026-06-17

Description

WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.

Frequently asked questions

What is CVE-2017-6503?: WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.
How severe is CVE-2017-6503?: CVE-2017-6503 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-2017-6503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6503?: CVE-2017-6503 affects Qbittorrent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6503 published?: CVE-2017-6503 was published on 2017-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:qbittorrent:qbittorrent:*:*:*:*:*:*:*:*

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