CVE-2021-37916
Joplin vulnerable to Cross-site Scripting in notes
Joplin before 2.0.9 allows XSS via button and form in the note body.
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
Joplin before 2.0.9 allows XSS via button and form in the note body.
- Record
CVE-2021-37916- 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
Joplin before 2.0.9 allows XSS via button and form in the note body.
- Record
CVE-2021-37916- Updated
- 2026-11-02
EUVDEUVD-2022-4621 No score
Joplin before 2.0.9 allows XSS via button and form in the note body.
- Record
EUVD-2022-4621- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mrmf-755g-w2vw
Joplin vulnerable to Cross-site Scripting in notes
Joplin before 2.0.9 allows Cross-site Scripting via button and form in the note body.
- Record
GHSA-mrmf-755g-w2vw- 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
Joplin before 2.0.9 allows XSS via button and form in the note body.
- Record
CVE-2021-37916- 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-mrmf-755g-w2vw
Joplin vulnerable to Cross-site Scripting in notes
Joplin before 2.0.9 allows Cross-site Scripting via button and form in the note body.
- Record
GHSA-mrmf-755g-w2vw- 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
| Package | Affected | Fixed |
|---|---|---|
joplinnpm |
before 2.0.9 | 2.0.9 |
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-2021-37916 is a medium vulnerability (CVSS 6.1) in Joplin Project Joplin, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. Fixed in joplin 2.0.9.