How severe is CVE-2020-37240?

CVE-2020-37240 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-37240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37240?

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

Does CVE-2020-37240 have an EU (EUVD) identifier?

Yes. CVE-2020-37240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31243.

When was CVE-2020-37240 published?

CVE-2020-37240 was published on 2026-05-16 and last updated on 2026-06-17.

CVE-2020-37240

CVE-2020-37240 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31243
Weakness: CWE-79
Published: 2026-05-16
Last modified: 2026-06-17

Description

Queue Management System 4.0.0 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through user creation fields. Attackers can insert JavaScript payloads in the First Name, Last Name, and Email fields during user creation, which execute when viewing the User List page.

Frequently asked questions

What is CVE-2020-37240?: Queue Management System 4.0.0 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through user creation fields. Attackers can insert JavaScript payloads in the First Name, Last Name, and Email fields during user creation, which execute when viewing the User List page.
How severe is CVE-2020-37240?: CVE-2020-37240 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-37240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-37240 have an EU (EUVD) identifier?: Yes. CVE-2020-37240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31243.
When was CVE-2020-37240 published?: CVE-2020-37240 was published on 2026-05-16 and last updated on 2026-06-17.

References

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