CVE-2024-5312: Phpservermon/phpservermon Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-rq7f-j68f-mqh3
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CVSS 6.3
CWE-79
Published
Advisory Summary

CVE-2024-5312 is a MODERATE (CVSS 6.3) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Phpservermon/phpservermon libraries in the Packagist ecosystem. The issue involves php server monitor vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 3.3.0.

CVE-2024-5312 at a Glance

CVE Identifier CVE-2024-5312
GHSA Identifier GHSA-rq7f-j68f-mqh3
Severity MODERATE
CVSS v3.1 Base Score 6.3
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Phpservermon/phpservermon
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.3

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:R/S:U/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2024-5312

To remediate this vulnerability, upgrade all affected Phpservermon/phpservermon dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

phpservermon/phpservermon fixed: 3.3.0 
Upgrade phpservermon/phpservermon to 3.3.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for phpservermon/phpservermon

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-5312, inspect your project dependencies for Phpservermon/phpservermon:

inspect dependencies for phpservermon/phpservermon

Analyze the terminal output to locate any version of Phpservermon/phpservermon in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.3.0), 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 Phpservermon/phpservermon, 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

PHP Server Monitor, version 3.2.0, is vulnerable to an XSS via the /phpservermon-3.2.0/vendor/phpmailer/phpmailer/test_script/index.php page in all visible parameters. An attacker could create a specially crafted URL, send it to a victim and retrieve their session details.

CVE-2024-5312 Affected Phpservermon/phpservermon Versions

1 component(s)
Fixed Versions:
3.3.0
Product / Package Ecosystem Affected Versions Fixed Version
phpservermon/phpservermon
 Packagist
< 3.3.0
3.3.0

References

NVD — CVE-2024-5312 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-5312
Security Fix Commit FIX COMMIT
https://github.com/PHPMailer/PHPMailer/commit/ff8718f72225a2e34d918c06a3b2c8cca5af3164
Phpservermon/phpservermon Source Repository REPOSITORY
https://github.com/phpservermon/phpservermon
www.incibe.es/en/incibe-cert/noti... WEB
https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-php-server-monitor

Frequently Asked Questions

What is CVE-2024-5312?
CVE-2024-5312 is a security vulnerability in Phpservermon/phpservermon involving PHP Server Monitor vulnerable to Cross-site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Phpservermon/phpservermon versions are affected?
Affected versions include releases prior to 3.3.0 across affected packages: phpservermon/phpservermon.
What version fixes CVE-2024-5312?
Upgrading to 3.3.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is phpservermon/phpservermon affected?
Yes, phpservermon/phpservermon is affected in releases prior to 3.3.0. Upgrade your dependency to 3.3.0 or later.
What is the CVSS score of CVE-2024-5312?
CVE-2024-5312 has a CVSS v3.1 base score of 6.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2024-5312?
CVE-2024-5312 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (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.).
How can I check Packagist dependencies for CVE-2024-5312?
Run the dependency tree command: 'inspect dependencies for phpservermon/phpservermon'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rq7f-j68f-mqh3",
  "modified" : "2024-05-24T18:45:28Z",
  "published" : "2024-05-24T18:45:28Z",
  "aliases" : [ "CVE-2024-5312" ],
  "summary" : "PHP Server Monitor vulnerable to Cross-site Scripting",
  "details" : "PHP Server Monitor, version 3.2.0, is vulnerable to an XSS via the /phpservermon-3.2.0/vendor/phpmailer/phpmailer/test_script/index.php page in all visible parameters. An attacker could create a specially crafted URL, send it to a victim and retrieve their session details.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "phpservermon/phpservermon"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.3.0"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 3.2.0"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-5312"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/PHPMailer/PHPMailer/commit/ff8718f72225a2e34d918c06a3b2c8cca5af3164"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/phpservermon/phpservermon"
  }, {
    "type" : "WEB",
    "url" : "https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-php-server-monitor"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-24T18:45:28Z",
    "nvd_published_at" : "2024-05-24T11:15:10Z"
  }
}