CVE-2021-30458

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.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://phabricator.wikimedia.org/T279451	Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202107-40	Third Party Advisory
https://www.mediawiki.org/wiki/Parsoid	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wikimedia:parsoid::::::node.js::*
	cpe:2.3:a:wikimedia:parsoid::::::node.js::*

History

No history.

Information

Published : 2021-04-09 07:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-30458

Mitre link : CVE-2021-30458

CVE.ORG link : CVE-2021-30458

JSON object : View

Products Affected

wikimedia

parsoid

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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