CVE-2021-30074
Docsify vulnerable to cross-site scripting due to mishandled encoding
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-30074- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-30074- Updated
- 2026-11-02
EUVDEUVD-2022-2591 No score
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.
- Record
EUVD-2022-2591- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5h7x-68wj-jhwc
Docsify vulnerable to cross-site scripting due to mishandled encoding
docsify versions 4.12.1 and earlier are vulnerable to cross-site scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandles the " character.
- Record
GHSA-5h7x-68wj-jhwc- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-30074- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-5h7x-68wj-jhwc
Docsify vulnerable to cross-site scripting due to mishandled encoding
docsify versions 4.12.1 and earlier are vulnerable to cross-site scripting (XSS) because the search component does not appropriately encode Code Blocks and mishandles the " character.
- Record
GHSA-5h7x-68wj-jhwc- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30074 is a medium vulnerability (CVSS 6.1) in Docsifyjs Docsify, published April 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. Fixed in docsify 4.12.2.