Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-01-08. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-01-29. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Joomla! Project / Joomla! CMS
Default status: unaffected
- affected: 4.0.0-4.2.7
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.99809,
"percentile": 0.99958
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99809,
"percentile": 0.99958
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99809,
"percentile": 0.99958
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99809,
"percentile": 0.99958
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99809,
"percentile": 0.99958
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99809,
"percentile": 0.99958
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99809,
"percentile": 0.99958
}05 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "joomla\\!",
"vendor": "joomla",
"versions": [
{
"lessThanOrEqual": "4.2.7",
"status": "affected",
"version": "4.0.0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-23752",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-24T20:52:45.656035Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-01-08",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:15:25.076Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-01-08T00:00:00.000Z",
"value": "CVE-2023-23752 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T10:42:25.640Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Joomla! CMS",
"vendor": "Joomla! Project",
"versions": [
{
"status": "affected",
"version": "4.0.0-4.2.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Zewei Zhang from NSFOCUS TIANJI Lab"
}
],
"datePublic": "2023-02-16T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.</p>"
}
],
"value": "An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "ACL",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T05:05:03.342Z",
"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"shortName": "Joomla"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "[20230201] - Core - Improper access check in webservice endpoints",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"assignerShortName": "Joomla",
"cveId": "CVE-2023-23752",
"datePublished": "2023-02-16T16:25:21.003Z",
"dateReserved": "2023-01-17T19:02:50.302Z",
"dateUpdated": "2026-02-26T05:05:03.342Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99809,
"percentile": 0.99958
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99809,
"percentile": 0.99958
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99809,
"percentile": 0.99958
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2023-23752",
"cwes": [
"CWE-284"
],
"dateAdded": "2024-01-08",
"dueDate": "2024-01-29",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html; https://nvd.nist.gov/vuln/detail/CVE-2023-23752",
"product": "Joomla!",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Joomla! contains an improper access control vulnerability that allows unauthorized access to webservice endpoints.",
"vendorProject": "Joomla!",
"vulnerabilityName": "Joomla! Improper Access Control Vulnerability"
}