CVE-2021-27917: Mautic/core lib Cross-Site Scripting Vulnerability
MODERATECVE-2021-27917 is a MODERATE (CVSS 7.3) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Mautic/core lib libraries in the Packagist ecosystem. The issue involves mautic has an xss in contact tracking and page hits report. Remediation is available by upgrading affected packages to version 4.4.13, 5.1.1.
CVE-2021-27917 at a Glance
Security Impact
CVSS: 7.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
How to Fix CVE-2021-27917
To remediate this vulnerability, upgrade all affected Mautic/core lib dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade mautic/core-lib to 4.4.13Upgrade mautic/core-lib to 5.1.1Upgrade mautic/core to 4.4.13Upgrade mautic/core to 5.1.1Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for mautic/core-libHow to Check if You Are Affected
To determine whether your application is affected by CVE-2021-27917, inspect your project dependencies for Mautic/core lib:
inspect dependencies for mautic/core-libAnalyze the terminal output to locate any version of Mautic/core lib in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.4.13), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Mautic/core lib, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2021-27917 Affected Mautic/core lib Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
mautic/core-lib
|
Packagist |
≥ 1.0.0-beta4
< 4.4.13
|
4.4.13
|
|
mautic/core-lib
|
Packagist |
≥ 5.0.0-alpha
< 5.1.1
|
5.1.1
|
|
mautic/core
|
Packagist |
≥ 1.0.0-beta4
< 4.4.13
|
4.4.13
|
|
mautic/core
|
Packagist |
≥ 5.0.0-alpha
< 5.1.1
|
5.1.1
|
References
Frequently Asked Questions
What is CVE-2021-27917?
Which Mautic/core lib versions are affected?
What version fixes CVE-2021-27917?
Is mautic/core-lib affected?
Is mautic/core affected?
What is the CVSS score of CVE-2021-27917?
What CWE is associated with CVE-2021-27917?
How can I check Packagist dependencies for CVE-2021-27917?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-xpc5-rr39-v8v2",
"modified" : "2024-09-27T17:03:14Z",
"published" : "2024-09-18T22:05:59Z",
"aliases" : [ "CVE-2021-27917" ],
"summary" : "Mautic has an XSS in contact tracking and page hits report",
"details" : "### Summary\nPrior to this patch, a stored XSS vulnerability existed in the contact tracking and page hits report.\n\n### Patches\nPlease update to 4.4.13 or 5.1.1 or later.\n\n### Workarounds\nNone\n\n### References\nhttps://owasp.org/www-project-top-ten/2017/A7_2017-Cross-Site_Scripting_(XSS)\nhttps://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/07-Input_Validation_Testing/02-Testing_for_Stored_Cross_Site_Scripting\n\nIf you have any questions or comments about this advisory:\n\nEmail us at [security@mautic.org](mailto:security@mautic.org)\n",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
}, {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "mautic/core-lib"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0-beta4"
}, {
"fixed" : "4.4.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "mautic/core-lib"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "5.0.0-alpha"
}, {
"fixed" : "5.1.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "mautic/core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0-beta4"
}, {
"fixed" : "4.4.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "mautic/core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "5.0.0-alpha"
}, {
"fixed" : "5.1.1"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/mautic/mautic/security/advisories/GHSA-xpc5-rr39-v8v2"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-27917"
}, {
"type" : "WEB",
"url" : "https://github.com/mautic/mautic/commit/550e33562d03363f7592fa9354259787a23a1d98"
}, {
"type" : "WEB",
"url" : "https://github.com/mautic/mautic/commit/629165ac905c53bbb44feb5a6dbadb1dfd6d5564"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/mautic/mautic"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-79" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2024-09-18T22:05:59Z",
"nvd_published_at" : "2024-09-18T22:15:03Z"
}
}