CVE-2023-45371
Status: ModifiedHigh (7.5)—
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.51%
- Percentile among all scored CVEs: 41
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-770
References
Raw JSON (NVD)
Show
{
"id": "CVE-2023-45371",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-45371",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-19T17:54:17.749445Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2023-10-09T06:15:10.537",
"references": [
{
"url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/961264",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://phabricator.wikimedia.org/T345064",
"tags": [
"Issue Tracking",
"Permissions Required"
],
"source": "cve@mitre.org"
},
{
"url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/961264",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://phabricator.wikimedia.org/T345064",
"tags": [
"Issue Tracking",
"Permissions Required"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items."
},
{
"lang": "es",
"value": "Se descubrió un problema en la extensión de Wikibase para MediaWiki antes de 1.35.12, 1.36.x hasta 1.39.x antes de 1.39.5 y 1.40.x antes de 1.40.1. No hay límite de tarifa para fusionar artículos."
}
],
"lastModified": "2026-06-17T06:28:42.720",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6A920574-0C59-4036-9878-C5A39EF82AA1",
"versionEndExcluding": "1.35.12"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "20B3C0EF-1980-4F24-B0C6-B4BA77562DA3",
"versionEndExcluding": "1.39.5",
"versionStartIncluding": "1.36.0"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "195C853F-2D51-44A4-990E-8E04FF4E9AA8"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}