How severe is CVE-2016-6127?

CVE-2016-6127 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-2016-6127 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6127?

CVE-2016-6127 primarily affects Bestpractical Request Tracker. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6127?

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

When was CVE-2016-6127 published?

CVE-2016-6127 was published on 2017-07-03 and last updated on 2026-06-17.

CVE-2016-6127

CVE-2016-6127 is a medium-severity vulnerability in Bestpractical Request Tracker 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bestpractical Request Tracker
Published: 2017-07-03
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Request Tracker (RT) 4.x before 4.0.25, 4.2.x before 4.2.14, and 4.4.x before 4.4.2, when the AlwaysDownloadAttachments config setting is not in use, allows remote attackers to inject arbitrary web script or HTML via a file upload with an unspecified content type.

Frequently asked questions

What is CVE-2016-6127?: Cross-site scripting (XSS) vulnerability in Request Tracker (RT) 4.x before 4.0.25, 4.2.x before 4.2.14, and 4.4.x before 4.4.2, when the AlwaysDownloadAttachments config setting is not in use, allows remote attackers to inject arbitrary web script or HTML via a file upload with an unspecified content type.
How severe is CVE-2016-6127?: CVE-2016-6127 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-2016-6127 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6127?: CVE-2016-6127 primarily affects Bestpractical Request Tracker. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6127?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6127 published?: CVE-2016-6127 was published on 2017-07-03 and last updated on 2026-06-17.

References

Affected products (41)

cpe:2.3:a:bestpractical:request_tracker:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.11:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.12:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.13:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.14:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.15:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.16:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.17:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.18:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.19:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.20:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.21:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.22:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.23:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.0.24:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.6:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.7:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.8:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.9:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.10:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.11:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.12:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.2.13:*:*:*:*:*:*:*
cpe:2.3:a:bestpractical:request_tracker:4.4.0:*:*:*:*:*:*:*

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