How severe is CVE-2019-6803?

CVE-2019-6803 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-2019-6803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6803?

CVE-2019-6803 primarily affects Typora. In total, 94 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6803?

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

When was CVE-2019-6803 published?

CVE-2019-6803 was published on 2019-01-25 and last updated on 2026-06-17.

CVE-2019-6803

CVE-2019-6803 is a medium-severity vulnerability in Typora 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: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Typora
Published: 2019-01-25
Last modified: 2026-06-17

Description

typora through 0.9.9.20.3 beta has XSS, with resultant remote command execution, via the left outline bar.

Frequently asked questions

What is CVE-2019-6803?: typora through 0.9.9.20.3 beta has XSS, with resultant remote command execution, via the left outline bar.
How severe is CVE-2019-6803?: CVE-2019-6803 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-2019-6803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6803?: CVE-2019-6803 primarily affects Typora. In total, 94 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6803?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6803 published?: CVE-2019-6803 was published on 2019-01-25 and last updated on 2026-06-17.

References

https://github.com/typora/typora-issues/issues/2124

Affected products (94)

cpe:2.3:a:typora:typora:0.8.1:alpha:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.2:alpha:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.5:alpha:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.6:alpha:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.7:alpha:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.8:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.8.9:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.0:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.1:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.2:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.3:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.4:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.4.5:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.5:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.5.6:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.5.7:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.6:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.6.1:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.6.8:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.7:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.7.4:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.7.5:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.7.8:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.7.9:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.1:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.5:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.6:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.7:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.7.2:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.8.8:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.0:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.1:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.2:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.2.1:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.2.5:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.3:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.4:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.4.4:beta:*:*:*:*:*:*
cpe:2.3:a:typora:typora:0.9.9.5:beta:*:*:*:*:*:*

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