CVE-2021-34817

medium

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

Advisories
More

https://github.com/ether/etherpad-lite/releases/tag/1.8.14

https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities

https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa

https://etherpad.org/#download

Details

Source: Mitre, NVD

Published: 2021-07-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

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