CVE-2021-30146

Name: CVE-2021-30146
Creator: NVD / NIST
Published: 2021-04-06T16:15:16.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-30146 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality.". EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.85%

53.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Seafile	Seafile	7.0.5

References

https://github.com/Security-AVS/CVE-2021-30146Third Party Advisory
https://github.com/Security-AVS/CVE-2021-30146Third Party Advisory

Timeline

Published: Apr 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30146?

Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality."

How severe is CVE-2021-30146?

CVE-2021-30146 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30146?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST