CVE-2021-34817 Information

Description

A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.

CVSS Vector

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

Reference

https://etherpad.org/#download https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities https://github.com/ether/etherpad-lite/releases/tag/1.8.14

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1