CVE-2021-34817

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.1 /10

CVSS v3 : 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

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

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

Configuration 1 (hide)

cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*
History

27 Jul 2021, 18:14

Type Values Removed Values Added
CWE CWE-79
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1
CPE cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*
References (MISC) https://etherpad.org/#download - (MISC) https://etherpad.org/#download - Patch, Vendor Advisory
References (MISC) https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities - (MISC) https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities - Third Party Advisory
References (MISC) https://github.com/ether/etherpad-lite/releases/tag/1.8.14 - (MISC) https://github.com/ether/etherpad-lite/releases/tag/1.8.14 - Patch, Release Notes, Third Party Advisory
References (MISC) https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa - (MISC) https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa - Exploit, Patch, Third Party Advisory

19 Jul 2021, 14:29

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-19 14:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-34817

Mitre link : CVE-2021-34817

CVE.ORG link : CVE-2021-34817

JSON object : View

Products Affected

etherpad

  • etherpad
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')