How severe is CVE-2018-1000020?

CVE-2018-1000020 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-2018-1000020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000020?

CVE-2018-1000020 affects Open-emr Openemr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000020?

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

When was CVE-2018-1000020 published?

CVE-2018-1000020 was published on 2018-02-09 and last updated on 2026-06-17.

CVE-2018-1000020

CVE-2018-1000020 is a medium-severity vulnerability in Open-emr Openemr 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% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Open-emr Openemr
Published: 2018-02-09
Last modified: 2026-06-17

Description

OpenEMR version 5.0.0 contains a Cross Site Scripting (XSS) vulnerability in open-flash-chart.swf and _posteddata.php that can result in . This vulnerability appears to have been fixed in 5.0.0 Patch 2 or higher.

Frequently asked questions

What is CVE-2018-1000020?: OpenEMR version 5.0.0 contains a Cross Site Scripting (XSS) vulnerability in open-flash-chart.swf and _posteddata.php that can result in . This vulnerability appears to have been fixed in 5.0.0 Patch 2 or higher.
How severe is CVE-2018-1000020?: CVE-2018-1000020 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-2018-1000020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000020?: CVE-2018-1000020 affects Open-emr Openemr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000020?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000020 published?: CVE-2018-1000020 was published on 2018-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open-emr:openemr:5.0.0:*:*:*:*:*:*:*

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