Persistent Cross-Site Scripting in Seafile by Seafile
CVE-2021-30146

5.4MEDIUM

Key Information:

Vendor

Seafile

Status
Seafile
Vendor
CVE Published:
6 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-30146?

Seafile version 7.0.5 is vulnerable to Persistent Cross-Site Scripting (XSS) through its library sharing functionalities. This vulnerability allows attackers to inject malicious scripts that could persist on the platform, leading to potential data theft or manipulation of user interactions within the web application. Proper validation and sanitization of user inputs in the sharing process are crucial to mitigate such risks and ensure the security of user data.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-30146
Created by Security-AVS

References

https://github.com/Security-AVS/CVE-2021-30146
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.