How severe is CVE-2020-15930?

CVE-2020-15930 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-2020-15930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15930?

CVE-2020-15930 affects Joplin Project Joplin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15930?

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

When was CVE-2020-15930 published?

CVE-2020-15930 was published on 2020-09-24 and last updated on 2026-06-17.

CVE-2020-15930

CVE-2020-15930 is a medium-severity vulnerability in Joplin Project Joplin 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Joplin Project Joplin
Published: 2020-09-24
Last modified: 2026-06-17

Description

An XSS issue in Joplin desktop 1.0.190 to 1.0.245 allows arbitrary code execution via a malicious HTML embed tag.

Frequently asked questions

What is CVE-2020-15930?: An XSS issue in Joplin desktop 1.0.190 to 1.0.245 allows arbitrary code execution via a malicious HTML embed tag.
How severe is CVE-2020-15930?: CVE-2020-15930 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-2020-15930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15930?: CVE-2020-15930 affects Joplin Project Joplin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15930 published?: CVE-2020-15930 was published on 2020-09-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:*:*:*

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