What is the CVSS score of CVE-2021-30146?

CVE-2021-30146 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.9%.

Seafile CVE-2021-30146

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-04-06 cve@mitre.org

XSS Seafile

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Apr 06, 2021 - 16:15 nvd

MEDIUM 5.4

DescriptionNVD

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

AnalysisAI

Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality.". Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Seafile 7.0.5 (2019) allows Persistent XSS via the "share of library functionality." Affected products include: Seafile.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.