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CVE-2023-37302

Date: June 29, 2023

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

Language: PHP

Severity Score

Related Resources (6)

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933649
https://github.com/wikimedia/mediawiki
https://phabricator.wikimedia.org/T339111
https://nvd.nist.gov/vuln/detail/CVE-2023-37302
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933650
https://www.mend.io/vulnerability-database/CVE-2023-37302

Severity Score

Weakness Type (CWE)

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

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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