CVE-2021-39393
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the...
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
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
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
- Record
CVE-2021-39393- 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
CVE List No score
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
- Record
CVE-2021-39393- Updated
- 2026-11-02
EUVDEUVD-2021-25752 No score
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
- Record
EUVD-2021-25752- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vcjr-hpcg-vc53
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the...
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
- Record
GHSA-vcjr-hpcg-vc53- 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
mm-wiki v0.2.1 was discovered to contain a cross-site scripting (XSS) vulnerability via the markdown editor.
- Record
CVE-2021-39393- 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
Affected products
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-2021-39393 is a medium vulnerability (CVSS 6.1) in Mm-wiki Project Mm-wiki, published August 26, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.