CVE-2021-30458

medium

Description

An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS.

References

https://www.mediawiki.org/wiki/Parsoid

https://security.gentoo.org/glsa/202107-40

https://phabricator.wikimedia.org/T279451

Details

Source: Mitre, NVD

Published: 2021-04-09

Updated: 2021-12-08

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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N