GSD-2021-27910
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. The values submitted in the "error" and "error_related_to" parameters of the POST request of the bounce management callback will be permanently stored and executed once the details page of an affected lead is opened by a Mautic user. An attacker with access to the bounce management callback function (identified with the Mailjet webhook, but it is assumed this will work uniformly across all kinds of webhooks) can inject arbitrary JavaScript Code into the "error" and "error_related_to" parameters of the POST request (POST /mailer/<product / webhook>/callback). It is noted that there is no authentication needed to access this function. The JavaScript Code is stored permanently in the web application and executed every time an authenticated user views the details page of a single contact / lead in Mautic. This means, arbitrary code can be executed to, e.g., steal or tamper with information.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-27910",
"description": "Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. The values submitted in the \"error\" and \"error_related_to\" parameters of the POST request of the bounce management callback will be permanently stored and executed once the details page of an affected lead is opened by a Mautic user. An attacker with access to the bounce management callback function (identified with the Mailjet webhook, but it is assumed this will work uniformly across all kinds of webhooks) can inject arbitrary JavaScript Code into the \"error\" and \"error_related_to\" parameters of the POST request (POST /mailer/\u003cproduct / webhook\u003e/callback). It is noted that there is no authentication needed to access this function. The JavaScript Code is stored permanently in the web application and executed every time an authenticated user views the details page of a single contact / lead in Mautic. This means, arbitrary code can be executed to, e.g., steal or tamper with information.",
"id": "GSD-2021-27910"
},
"gsd": {
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"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. The values submitted in the \"error\" and \"error_related_to\" parameters of the POST request of the bounce management callback will be permanently stored and executed once the details page of an affected lead is opened by a Mautic user. An attacker with access to the bounce management callback function (identified with the Mailjet webhook, but it is assumed this will work uniformly across all kinds of webhooks) can inject arbitrary JavaScript Code into the \"error\" and \"error_related_to\" parameters of the POST request (POST /mailer/\u003cproduct / webhook\u003e/callback). It is noted that there is no authentication needed to access this function. The JavaScript Code is stored permanently in the web application and executed every time an authenticated user views the details page of a single contact / lead in Mautic. This means, arbitrary code can be executed to, e.g., steal or tamper with information.",
"id": "GSD-2021-27910",
"modified": "2023-12-13T01:23:35.723253Z",
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"DATE_PUBLIC": "2021-08-30T14:06:00.000Z",
"ID": "CVE-2021-27910",
"STATE": "PUBLIC",
"TITLE": "Stored XSS vulnerability on Bounce Management Callback"
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"affects": {
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"version_value": "3.3.4"
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"credit": [
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"value": "Fixed by Zdeno Kuzmany, Webmecanik"
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"value": "CWE-79 Cross-site Scripting (XSS)"
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"name": "https://github.com/mautic/mautic/security/advisories/GHSA-86pv-95mj-7w5f",
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"url": "https://github.com/mautic/mautic/security/advisories/GHSA-86pv-95mj-7w5f"
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"discovery": "UNKNOWN"
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"affected_range": "\u003c3.3.4||\u003e=4.0.0-alpha1,\u003c4.0.0",
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"cwe_ids": [
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],
"date": "2021-09-10",
"description": "Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. An attacker with access to the bounce management callback function (identified with the Mailjet webhook, but it is assumed this will work uniformly across all kinds of webhooks) can inject arbitrary JavaScript Code into the `error` and `error_related_to` parameters of the POST request (`POST /mailer/\u003cproduct / webhook\u003e/callback`). It is noted that there is no authentication needed to access this function. The JavaScript Code is stored permanently in the web application and executed every time an authenticated user views the details page of a single contact / lead in Mautic. This means, arbitrary code can be executed to, e.g., steal or tamper with information.",
"fixed_versions": [
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"identifier": "CVE-2021-27910",
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"not_impacted": "All versions starting from 3.3.4 before 4.0.0-alpha1, all versions starting from 4.0.0",
"package_slug": "packagist/mautic/core",
"pubdate": "2021-08-30",
"solution": "Upgrade to version 3.3.4, 4.0.0 or above.",
"title": "Cross-site Scripting",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-27910"
],
"uuid": "a7ea6098-ba4d-448e-b60b-1c1493504efb"
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"value": "Insufficient sanitization / filtering allows for arbitrary JavaScript Injection in Mautic using the bounce management callback function. The values submitted in the \"error\" and \"error_related_to\" parameters of the POST request of the bounce management callback will be permanently stored and executed once the details page of an affected lead is opened by a Mautic user. An attacker with access to the bounce management callback function (identified with the Mailjet webhook, but it is assumed this will work uniformly across all kinds of webhooks) can inject arbitrary JavaScript Code into the \"error\" and \"error_related_to\" parameters of the POST request (POST /mailer/\u003cproduct / webhook\u003e/callback). It is noted that there is no authentication needed to access this function. The JavaScript Code is stored permanently in the web application and executed every time an authenticated user views the details page of a single contact / lead in Mautic. This means, arbitrary code can be executed to, e.g., steal or tamper with information."
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"lastModifiedDate": "2021-09-10T15:02Z",
"publishedDate": "2021-08-30T16:15Z"
}
}
}
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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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