How severe is CVE-2020-13890?

CVE-2020-13890 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-2020-13890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13890?

CVE-2020-13890 affects Laborator Neon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13890?

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

When was CVE-2020-13890 published?

CVE-2020-13890 was published on 2020-06-06 and last updated on 2026-06-17.

CVE-2020-13890

CVE-2020-13890 is a medium-severity vulnerability in Laborator Neon 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% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Laborator Neon
Published: 2020-06-06
Last modified: 2026-06-17

Description

The Neon theme 2.0 before 2020-06-03 for Bootstrap allows XSS via an Add Task Input operation in a dashboard.

Frequently asked questions

What is CVE-2020-13890?: The Neon theme 2.0 before 2020-06-03 for Bootstrap allows XSS via an Add Task Input operation in a dashboard.
How severe is CVE-2020-13890?: CVE-2020-13890 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-2020-13890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13890?: CVE-2020-13890 affects Laborator Neon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13890 published?: CVE-2020-13890 was published on 2020-06-06 and last updated on 2026-06-17.

References

https://jizen0x01.blogspot.com/2020/06/neon-dashboard-xss.html

Affected products (1)

cpe:2.3:a:laborator:neon:*:*:*:*:*:*:*:*

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