CVE-2021-43785 – @joeattardi/emoji-button

Package

Manager: npm
Name: @joeattardi/emoji-button
Vulnerable Version: >=0 <4.6.2

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00398 pctl0.59819

Details

Cross-Site Scripting Vulnerability in @joeattardi/emoji-button ### Impact There are two vectors for XSS attacks with versions of @joeattardi/emoji-button before 4.6.2: - A URL for a custom emoji - An i18n string In both of these cases, a value can be crafted such that it can insert a `script` tag into the page and execute malicious code. ### Patches This vulnerability is fixed starting in version 4.6.2. This is resolved by properly escaping strings that are inserted into the HTML document. ### Workarounds There is no workaround other than upgrading to a non-vulnerable version. ### Credit This issue was discovered by GitHub team member [@erik-krogh (Erik Krogh Kristensen)](https://github.com/erik-krogh) and was reported by the GitHub Security Lab team.

Metadata

Created: 2021-12-01T18:29:02Z
Modified: 2021-12-01T14:34:05Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-f34m-x9pj-62vq/GHSA-f34m-x9pj-62vq.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-f34m-x9pj-62vq
Finding: F008
Auto approve: 1