CVE-2026-58519

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS. This issue affects Mediawiki - Cargo Extension: from * before 3.9.1.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612	Issue Tracking
https://phabricator.wikimedia.org/T424140	Issue Tracking
https://phabricator.wikimedia.org/T424140	Issue Tracking

Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:mediawiki:*:*

History

06 Jul 2026, 20:25

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mediawiki:cargo::::::mediawiki::*
References	~~() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612 -~~	() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612 - Issue Tracking
References	~~() https://phabricator.wikimedia.org/T424140 -~~	() https://phabricator.wikimedia.org/T424140 - Issue Tracking
First Time		Mediawiki cargo Mediawiki
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4

01 Jul 2026, 13:17

Type	Values Removed	Values Added
References	~~() https://phabricator.wikimedia.org/T424140 -~~	() https://phabricator.wikimedia.org/T424140 -

01 Jul 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 05:16

Updated : 2026-07-06 20:25

NVD link : CVE-2026-58519

Mitre link : CVE-2026-58519

CVE.ORG link : CVE-2026-58519

JSON object : View

Products Affected

mediawiki

cargo

CWE

CWE-79

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

{"id": "CVE-2026-58519", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58519", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-01T12:29:54.675114Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}], "cvssMetricV40": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "ATTACKED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "affectedData": [{"vendor": "The Wikimedia Foundation", "product": "Mediawiki - Cargo Extension", "versions": [{"status": "affected", "version": "*", "lessThan": "3.9.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-01T05:16:23.110", "references": [{"url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612", "tags": ["Issue Tracking"], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}, {"url": "https://phabricator.wikimedia.org/T424140", "tags": ["Issue Tracking"], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}, {"url": "https://phabricator.wikimedia.org/T424140", "tags": ["Issue Tracking"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.\n\nThis issue affects Mediawiki - Cargo Extension: from * before 3.9.1."}], "lastModified": "2026-07-06T20:25:36.363", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "6EBCE1E7-BC43-44E6-BE47-F0BC8FC91966", "versionEndExcluding": "3.9.1"}], "operator": "OR"}]}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}