CVE-2021-30146
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
CVE-2021-30146- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
CVE-2021-30146- Updated
- 2026-11-02
EUVDEUVD-2021-17083 No score
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
EUVD-2021-17083- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pj73-7h6v-vg38 No score
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
GHSA-pj73-7h6v-vg38- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
CVE-2021-30146- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-30146
Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."
- Record
UBUNTU-CVE-2021-30146- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
seafile-clientUbuntu:18.04:LTS |
All versions, plus listed versions 6.0.7-1build16.1.1-16.1.3-16.1.3-26.1.4-16.1.4-1build16.1.5-1 |
None known |
seafile-clientUbuntu:20.04:LTS |
All versions, plus listed versions 6.2.11-17.0.2-27.0.4-17.0.5-17.0.6-1 |
None known |
seafile-clientUbuntu:22.04:LTS |
All versions, plus listed versions 7.0.10-38.0.4-18.0.5-1 |
None known |
seafile-clientUbuntu:24.04:LTS |
All versions, plus listed versions 9.0.3+ds1-19.0.4+ds1-19.0.4+ds1-1ubuntu19.0.4+ds1-1ubuntu2 |
None known |
seafile-clientUbuntu:25.10 |
All versions, plus listed versions 9.0.12+ds1-19.0.13+ds1-1 |
None known |
seafile-clientUbuntu:26.10 |
All versions, plus listed versions 9.0.16+ds1-19.0.18+ds1-1.19.0.18+ds1-1.29.0.20+ds1-1 |
None known |
seafile-clientUbuntu:26.04:LTS |
All versions, plus listed versions 9.0.13+ds1-19.0.15+ds1-29.0.16+ds1-1 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Security-AVS/CVE-2021-30146 | 2021-04-06 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30146 is a medium vulnerability (CVSS 5.4) in Seafile, published April 6, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.