How severe is CVE-2021-30074?

CVE-2021-30074 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-2021-30074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30074?

CVE-2021-30074 affects Docsifyjs Docsify. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30074?

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

When was CVE-2021-30074 published?

CVE-2021-30074 was published on 2021-04-02 and last updated on 2026-06-17.

CVE-2021-30074

CVE-2021-30074 is a medium-severity vulnerability in Docsifyjs Docsify 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% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Docsifyjs Docsify
Published: 2021-04-02
Last modified: 2026-06-17

Description

docsify 4.12.1 is affected by Cross Site Scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandles the " character.

Frequently asked questions

What is CVE-2021-30074?: docsify 4.12.1 is affected by Cross Site Scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandles the " character.
How severe is CVE-2021-30074?: CVE-2021-30074 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-2021-30074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30074?: CVE-2021-30074 affects Docsifyjs Docsify. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-30074 published?: CVE-2021-30074 was published on 2021-04-02 and last updated on 2026-06-17.

References

https://github.com/docsifyjs/docsify/issues/1549

Affected products (1)

cpe:2.3:a:docsifyjs:docsify:4.12.1:*:*:*:*:*:*:*

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