VULNERABILITY INTELLIGENCE

CVE-2021-34817

CVSS score6.1 MEDIUM

EPSS probability1.34%

CISA KEVNot currently listed

Published2021-07-19

Last modified2026-06-17

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

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.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Exploit, Patch, Third Party Advisory
cve@mitre.org — Patch, Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Release Notes, Third Party Advisory