CVE-2026-13706

Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T418533	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0::::::

History

No history.

Information

Published : 2026-07-01 16:16

Updated : 2026-07-09 16:02

NVD link : CVE-2026-13706

Mitre link : CVE-2026-13706

CVE.ORG link : CVE-2026-13706

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2026-13706", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13706", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-01T15:44:18.842649Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 0.0, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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": [{"repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/UrlShortener/+/refs/heads/master", "vendor": "Wikimedia Foundation", "product": "UrlShortener", "versions": [{"status": "affected", "version": "*", "versionType": "semver", "lessThanOrEqual": "1.46.0, 1.45.4, 1.44.6, 1.43.9"}], "programFiles": ["includes/UrlShortenerUtils.php"], "defaultStatus": "unaffected"}]}], "published": "2026-07-01T16:16:31.617", "references": [{"url": "https://phabricator.wikimedia.org/T418533", "tags": ["Permissions Required"], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "Improper input validation vulnerability in Wikimedia Foundation UrlShortener.\n\n This vulnerability is associated with program files includes/UrlShortenerUtils.Php."}], "lastModified": "2026-07-09T16:02:41.730", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BC82408-61E8-4F28-8AEC-438E159DC867", "versionEndExcluding": "1.43.9", "versionStartIncluding": "1.43.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F0FD7F7-0D82-4E68-91D8-0ADAE54CB8C5", "versionEndExcluding": "1.44.6", "versionStartIncluding": "1.44.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "439E39DA-8BB7-4AF7-9F42-E334A9B4AD3E", "versionEndExcluding": "1.45.4", "versionStartIncluding": "1.45.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D371958A-1F95-4C45-B556-B087A7274D4C"}], "operator": "OR"}]}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}