CVE Vulnerability

CVE-2021-34817

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://etherpad.org/#download Patch Vendor Advisory
https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa Exploit Patch
https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities Third Party Advisory
https://github.com/ether/etherpad-lite/releases/tag/1.8.14 Patch Release Notes
Configurations

Configuration 1

cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*
Information

Published : 2021-07-19 02:15

Updated : 2021-07-27 06:14

NVD link : CVE-2021-34817

Mitre link : CVE-2021-34817

Products Affected
No products.
CWE
CWE-79