How severe is CVE-2017-18083?

CVE-2017-18083 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-2017-18083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18083?

CVE-2017-18083 affects Atlassian Confluence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18083?

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

When was CVE-2017-18083 published?

CVE-2017-18083 was published on 2018-02-02 and last updated on 2026-06-17.

CVE-2017-18083

CVE-2017-18083 is a medium-severity vulnerability in Atlassian Confluence 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% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Atlassian Confluence
Published: 2018-02-02
Last modified: 2026-06-17

Description

The editinword resource in Atlassian Confluence Server before version 6.4.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the contents of an uploaded file.

Frequently asked questions

What is CVE-2017-18083?: The editinword resource in Atlassian Confluence Server before version 6.4.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the contents of an uploaded file.
How severe is CVE-2017-18083?: CVE-2017-18083 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-2017-18083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18083?: CVE-2017-18083 affects Atlassian Confluence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18083?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18083 published?: CVE-2017-18083 was published on 2018-02-02 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/CONFSERVER-54903

Affected products (1)

cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*

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