CVE-2021-34817

MEDIUM

Etherpad 1.8.13 - Stored Cross-Site Scripting in Chat Component via Pad Import

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Patch, Vendor Advisory x_refsource_misc
https://etherpad.org/#download
Patch, Release Notes, Third Party Advisory x_refsource_misc
https://github.com/ether/etherpad-lite/releases/tag/1.8.14

Scores

CVSS v3 6.1
EPSS 0.0134
EPSS Percentile 67.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
etherpad/etherpad 1.8.13
Published Jul 19, 2021
Tracked Since Feb 18, 2026