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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.8.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Mediawiki - Cargo Extension", "source": "cna", "vendor": "Wikimedia Foundation"}, "product": "mediawiki-cargo_extension", "vendor": "wikimedia"}], "analysis": {"en": {"generated_at": "2026-04-07T22:41:04.588004+00:00", "value": {"mitigation_remediation": ["Apply the latest Cargo Extension update (v3.8.7 or later).", "If an update cannot be applied immediately, implement a temporary sanitization rule that escapes or removes script tags from URLs stored in Cargo maps.", "Review and sanitize existing Cargo data to remove any stored script tags."], "summary": {"action": "Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "MediaWiki Cargo Extension versions prior to 3.8.7 are affected. Sites running these older releases are at risk if Cargo data can be edited or submitted by users.", "description_and_impact": "The vulnerability arises from an improper neutralization of script\u2011related HTML tags when URLs are embedded in the Cargo Extension\u2019s map format. As a result, malicious JavaScript can be stored and rendered to users who view the affected page. This allows an attacker to execute code in the context of the site, potentially compromising user data and site integrity.", "risk_and_exploitability": "The CVSS score of 6.3 reflects moderate severity. No EPSS data is available and the vulnerability is not listed in the CISA KEV catalog. Based on the description, the likely attack vector involves an attacker who can submit or modify Cargo data, causing the stored XSS payload to be displayed to other users."}}}}, "created": "2026-04-08T19:46:14.978172+00:00", "updated": "2026-04-09T08:23:08.887815+00:00", "vendors": ["wikimedia", "wikimedia$PRODUCT$mediawiki-cargo_extension"]}