CVE-2023-2550: Thorsten/phpmyfaq Cross Site Scripting Vulnerability

Q: What is CVE-2023-2550?

CVE-2023-2550 is a security vulnerability in Thorsten/phpmyfaq involving Cross Site Scripting in thorsten/phpmyfaq under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

Q: Which Thorsten/phpmyfaq versions are affected?

Affected versions include releases prior to 3.1.13 across affected packages: thorsten/phpmyfaq.

Q: What version fixes CVE-2023-2550?

Upgrading to 3.1.13 (or the latest patched release for your respective branch) resolves the vulnerability.

Q: Is thorsten/phpmyfaq affected?

Yes, thorsten/phpmyfaq is affected in releases prior to 3.1.13. Upgrade your dependency to 3.1.13 or later.

Q: What is the CVSS score of CVE-2023-2550?

CVE-2023-2550 has a CVSS v3.1 base score of 8.2 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

Q: What CWE is associated with CVE-2023-2550?

CVE-2023-2550 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.).

Q: How can I check Packagist dependencies for CVE-2023-2550?

Run the dependency tree command: 'inspect dependencies for thorsten/phpmyfaq'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.

HIGH

Advisory Identifier: GHSA-5mf7-p346-7rm8

CVSS 8.2

CWE-79

Published 2023-05-05

Advisory Summary

CVE-2023-2550 is a HIGH (CVSS 8.2) cross site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Thorsten/phpmyfaq libraries in the Packagist ecosystem. The issue involves cross site scripting in thorsten/phpmyfaq. Remediation is available by upgrading affected packages to version 3.1.13.

CVE-2023-2550 at a Glance

CVE Identifier CVE-2023-2550

GHSA Identifier GHSA-5mf7-p346-7rm8

Severity HIGH

CVSS v3.1 Base Score 8.2

CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Product Thorsten/phpmyfaq

Package Ecosystem Packagist

Published Date 2023-05-05

Last Updated 2023-05-10

Security Impact

CVSS: 8.2

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).

Attack Vector Network (AV:N)

Attack Complexity Low (AC:L)

Privileges Required None (PR:N)

User Interaction None (UI:N)

Scope Unchanged (S:U)

Confidentiality None (C:N)

Integrity High (I:H)

Availability Low (A:L)

How to Fix CVE-2023-2550

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

thorsten/phpmyfaq fixed: 3.1.13

Upgrade thorsten/phpmyfaq to 3.1.13

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 thorsten/phpmyfaq

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-2550, inspect your project dependencies for Thorsten/phpmyfaq:

inspect dependencies for thorsten/phpmyfaq

Analyze the terminal output to locate any version of Thorsten/phpmyfaq in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.1.13), 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 Thorsten/phpmyfaq, 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

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to version 3.1.13.

CVE-2023-2550 Affected Thorsten/phpmyfaq Versions

1 component(s)

Fixed Versions:

3.1.13

Product / Package	Ecosystem	Affected Versions	Fixed Version
thorsten/phpmyfaq	Packagist	< 3.1.13	3.1.13

References

NVD — CVE-2023-2550 NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-2550

Security Fix Commit FIX COMMIT

https://github.com/thorsten/phpmyfaq/commit/20ac51594db11604a4518aacc28a51f67d4f11bf

Thorsten/phpmyfaq Source Repository REPOSITORY

https://github.com/thorsten/phpmyfaq

huntr.dev/bounties/840c8d91-c... WEB

https://huntr.dev/bounties/840c8d91-c97e-4116-a9f8-4ab1a38d239b

Frequently Asked Questions

What is CVE-2023-2550?

CVE-2023-2550 is a security vulnerability in Thorsten/phpmyfaq involving Cross Site Scripting in thorsten/phpmyfaq under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

Which Thorsten/phpmyfaq versions are affected?

Affected versions include releases prior to 3.1.13 across affected packages: thorsten/phpmyfaq.

What version fixes CVE-2023-2550?

Upgrading to 3.1.13 (or the latest patched release for your respective branch) resolves the vulnerability.

Is thorsten/phpmyfaq affected?

Yes, thorsten/phpmyfaq is affected in releases prior to 3.1.13. Upgrade your dependency to 3.1.13 or later.

What is the CVSS score of CVE-2023-2550?

CVE-2023-2550 has a CVSS v3.1 base score of 8.2 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

What CWE is associated with CVE-2023-2550?

CVE-2023-2550 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-2023-2550?

Run the dependency tree command: 'inspect dependencies for thorsten/phpmyfaq'. 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-5mf7-p346-7rm8",
  "modified" : "2023-05-10T15:28:51Z",
  "published" : "2023-05-05T21:31:11Z",
  "aliases" : [ "CVE-2023-2550" ],
  "summary" : "Cross Site Scripting in thorsten/phpmyfaq",
  "details" : "Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to  version 3.1.13.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "thorsten/phpmyfaq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.1.13"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-2550"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/thorsten/phpmyfaq/commit/20ac51594db11604a4518aacc28a51f67d4f11bf"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/thorsten/phpmyfaq"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/840c8d91-c97e-4116-a9f8-4ab1a38d239b"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-05-05T23:14:13Z",
    "nvd_published_at" : "2023-05-05T20:15:10Z"
  }
}

CVSS V3

8.2 HIGH