CVE-2025-14799 (GCVE-0-2025-14799)
Vulnerability from cvelistv5 – Published: 2026-02-18 11:26 – Updated: 2026-02-18 11:26
VLAI?
Title
Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling
Summary
The Brevo - Email, SMS, Web Push, Chat, and more. plugin for WordPress is vulnerable to authorization bypass due to type juggling in all versions up to, and including, 3.3.0. This is due to the use of loose comparison (==) instead of strict comparison (===) when validating the installation ID in the `/wp-json/mailin/v1/mailin_disconnect` REST API endpoint. This makes it possible for unauthenticated attackers to disconnect the Brevo integration, delete the API key, remove all subscription forms, and reset plugin settings by sending a boolean `true` value for the `id` parameter, which bypasses the authorization check through PHP type juggling.
Severity ?
6.5 (Medium)
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| neeraj_slit | Brevo – Email, SMS, Web Push, Chat, and more. |
Affected:
* , ≤ 3.3.0
(semver)
|
Credits
ISMAILSHADOW
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Brevo \u2013 Email, SMS, Web Push, Chat, and more.",
"vendor": "neeraj_slit",
"versions": [
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"lessThanOrEqual": "3.3.0",
"status": "affected",
"version": "*",
"versionType": "semver"
}
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"credits": [
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}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843 Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-18T11:26:03.698Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f29e5b19-2505-4b02-92c7-071833de6bc2?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/mailin/tags/3.2.9/sendinblue.php#L1833"
},
{
"url": "https://plugins.trac.wordpress.org/browser/mailin/tags/3.2.9/sendinblue.php#L1795"
},
{
"url": "https://plugins.trac.wordpress.org/changeset/3448639/"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-12-23T17:20:38.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-02-17T00:00:00.000Z",
"value": "Disclosed"
}
],
"title": "Brevo - Email, SMS, Web Push, Chat, and more. \u003c= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2025-14799",
"datePublished": "2026-02-18T11:26:03.698Z",
"dateReserved": "2025-12-16T19:50:41.434Z",
"dateUpdated": "2026-02-18T11:26:03.698Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-14799\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-02-18T12:15:58.573\",\"lastModified\":\"2026-02-18T12:15:58.573\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Brevo - Email, SMS, Web Push, Chat, and more. plugin for WordPress is vulnerable to authorization bypass due to type juggling in all versions up to, and including, 3.3.0. This is due to the use of loose comparison (==) instead of strict comparison (===) when validating the installation ID in the `/wp-json/mailin/v1/mailin_disconnect` REST API endpoint. This makes it possible for unauthenticated attackers to disconnect the Brevo integration, delete the API key, remove all subscription forms, and reset plugin settings by sending a boolean `true` value for the `id` parameter, which bypasses the authorization check through PHP type juggling.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-843\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/mailin/tags/3.2.9/sendinblue.php#L1795\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/mailin/tags/3.2.9/sendinblue.php#L1833\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/changeset/3448639/\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/f29e5b19-2505-4b02-92c7-071833de6bc2?source=cve\",\"source\":\"security@wordfence.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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