CVE-2024-5674 (GCVE-0-2024-5674)
Vulnerability from cvelistv5 – Published: 2024-06-12 11:05 – Updated: 2026-04-08 17:31
VLAI
EPSS
VEX
Title
Newsletter - API v1 and v2 addon for Newsletter <= 2.4.5 - Missing Authorization to Email Subscribers Management
Summary
The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-12 14:53 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| The Newsletter Team | Newsletter - API v1 and v2 addon for Newsletter |
Affected:
0 , ≤ 2.4.5
(semver)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-5674",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-12T14:53:10.947725Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-12T14:53:32.576Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T21:18:07.054Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Newsletter - API v1 and v2 addon for Newsletter",
"vendor": "The Newsletter Team",
"versions": [
{
"lessThanOrEqual": "2.4.5",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Arkadiusz Hydzik"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-08T17:31:28.439Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-05-21T00:00:00.000Z",
"value": "Discovered"
},
{
"lang": "en",
"time": "2024-06-11T22:11:42.000Z",
"value": "Disclosed"
}
],
"title": "Newsletter - API v1 and v2 addon for Newsletter \u003c= 2.4.5 - Missing Authorization to Email Subscribers Management"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2024-5674",
"datePublished": "2024-06-12T11:05:09.214Z",
"dateReserved": "2024-06-06T08:37:46.311Z",
"dateUpdated": "2026-04-08T17:31:28.439Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-5674",
"date": "2026-09-20",
"epss": "0.00317",
"percentile": "0.24825"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:newsletter:newsletter:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "4A5DDA08-2644-4B38-AE50-387816E89D34",
"versionEndExcluding": "2.4.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0"
},
{
"lang": "es",
"value": "El complemento Newsletter - API v1 y v2 para WordPress es vulnerable a la administraci\u00f3n de suscriptores no autorizados debido a un problema de juggling con el tipo de PHP en la funci\u00f3n check_api_key en todas las versiones hasta la 2.4.5 incluida. Esto hace posible que atacantes no autenticados enumeren, creen o eliminen suscriptores del bolet\u00edn. Este problema afecta s\u00f3lo a los sitios que ejecutan la versi\u00f3n de PHP inferior a 8.0."
}
],
"id": "CVE-2024-5674",
"lastModified": "2024-11-21T09:48:08.183",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5,
"source": "security@wordfence.com",
"type": "Primary"
}
]
},
"published": "2024-06-12T11:15:51.123",
"references": [
{
"source": "security@wordfence.com",
"tags": [
"Product"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
},
{
"source": "security@wordfence.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
}
],
"sourceIdentifier": "security@wordfence.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Newsletter - API v1 and v2 addon for Newsletter",
"vendor": "The Newsletter Team",
"versions": [
{
"lessThanOrEqual": "2.4.5",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "security@wordfence.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:newsletter:newsletter:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "4A5DDA08-2644-4B38-AE50-387816E89D34",
"versionEndExcluding": "2.4.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0"
},
{
"lang": "es",
"value": "El complemento Newsletter - API v1 y v2 para WordPress es vulnerable a la administraci\u00f3n de suscriptores no autorizados debido a un problema de juggling con el tipo de PHP en la funci\u00f3n check_api_key en todas las versiones hasta la 2.4.5 incluida. Esto hace posible que atacantes no autenticados enumeren, creen o eliminen suscriptores del bolet\u00edn. Este problema afecta s\u00f3lo a los sitios que ejecutan la versi\u00f3n de PHP inferior a 8.0."
}
],
"id": "CVE-2024-5674",
"lastModified": "2026-06-17T08:16:24.640",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5,
"source": "security@wordfence.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-5674",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-12T14:53:10.947725Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-06-12T11:15:51.123",
"references": [
{
"source": "security@wordfence.com",
"tags": [
"Product"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
},
{
"source": "security@wordfence.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
}
],
"sourceIdentifier": "security@wordfence.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-862"
}
],
"source": "security@wordfence.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T09:32:05+00:00",
"cve": "CVE-2024-5674",
"id": "CVE-2024-5674",
"initial_release_date": "2024-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Newsletter - API v1 and v2 addon for Newsletter \u003c= 2.4.5 - Missing Authorization to Email Subscribers Management",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-5674.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-01T21:18:07.054Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-5674",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-12T14:53:10.947725Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-12T14:53:28.593Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Newsletter - API v1 and v2 addon for Newsletter",
"vendor": "The Newsletter Team",
"versions": [
{
"lessThanOrEqual": "2.4.5",
"status": "affected",
"version": "*",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Arkadiusz Hydzik"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-862 Missing Authorization",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-12T11:05:09.214Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ecd9800e-ce0f-45f3-bb66-3690c51d885b?source=cve"
},
{
"url": "https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-05-21T00:00:00.000Z",
"value": "Discovered"
},
{
"lang": "en",
"time": "2024-06-11T22:11:42.000Z",
"value": "Disclosed"
}
],
"title": "Newsletter - API v1 and v2 addon for Newsletter \u003c= 2.4.5 - Missing Authorization to Email Subscribers Management"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2024-5674",
"datePublished": "2024-06-12T11:05:09.214Z",
"dateReserved": "2024-06-06T08:37:46.311Z",
"dateUpdated": "2024-08-01T21:18:07.054Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…