CVE-2023-2102: Alextselegidis/easyappointments Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-j6qq-9939-9jv8
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CVSS 6.8
CWE-79
Published
Advisory Summary

CVE-2023-2102 is a MODERATE (CVSS 6.8) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Alextselegidis/easyappointments libraries in the Packagist ecosystem. The issue involves alextselegidis/easyappointments vulnerable to stored cross-site scripting. Remediation is available in the latest vendor maintenance releases.

CVE-2023-2102 at a Glance

CVE Identifier CVE-2023-2102
GHSA Identifier GHSA-j6qq-9939-9jv8
Severity MODERATE
CVSS v3.1 Base Score 6.8
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Alextselegidis/easyappointments
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.8

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

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required High (PR:H)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability High (A:H)

How to Fix CVE-2023-2102

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

alextselegidis/easyappointments fixed: Latest secure release 
Upgrade alextselegidis/easyappointments to Latest secure release
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 alextselegidis/easyappointments

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-2102, inspect your project dependencies for Alextselegidis/easyappointments:

inspect dependencies for alextselegidis/easyappointments

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

alextselegidis/easyappointments is vulnerable to stored cross-site scripting in versions 1.4.3 and prior. A patch is available at commit bddc5cbeb7ff237a72943b304dcb01c653781767 and anticipated to be part of version 1.5.0.

CVE-2023-2102 Affected Alextselegidis/easyappointments Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
alextselegidis/easyappointments
 Packagist
≤ 1.4.3

References

NVD — CVE-2023-2102 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2102
Security Fix Commit FIX COMMIT
https://github.com/alextselegidis/easyappointments/commit/bddc5cbeb7ff237a72943b304dcb01c653781767
Alextselegidis/easyappointments Source Repository REPOSITORY
https://github.com/alextselegidis/easyappointments
huntr.dev/bounties/dd7c04a7-a... WEB
https://huntr.dev/bounties/dd7c04a7-a984-4387-9ac4-24596e7ece44

Frequently Asked Questions

What is CVE-2023-2102?
CVE-2023-2102 is a security vulnerability in Alextselegidis/easyappointments involving alextselegidis/easyappointments vulnerable to Stored Cross-site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Alextselegidis/easyappointments versions are affected?
Affected versions include releases prior to current release patches across affected packages: alextselegidis/easyappointments.
What version fixes CVE-2023-2102?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is alextselegidis/easyappointments affected?
Yes, alextselegidis/easyappointments is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-2102?
CVE-2023-2102 has a CVSS v3.1 base score of 6.8 (MODERATE) with vector string CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:H.
What CWE is associated with CVE-2023-2102?
CVE-2023-2102 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-2023-2102?
Run the dependency tree command: 'inspect dependencies for alextselegidis/easyappointments'. 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-j6qq-9939-9jv8",
  "modified" : "2023-04-21T20:34:23Z",
  "published" : "2023-04-15T15:30:15Z",
  "aliases" : [ "CVE-2023-2102" ],
  "summary" : "alextselegidis/easyappointments vulnerable to Stored Cross-site Scripting",
  "details" : "alextselegidis/easyappointments is vulnerable to stored cross-site scripting in versions 1.4.3 and prior. A patch is available at commit bddc5cbeb7ff237a72943b304dcb01c653781767 and anticipated to be part of version 1.5.0.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "alextselegidis/easyappointments"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.4.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-2102"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/alextselegidis/easyappointments/commit/bddc5cbeb7ff237a72943b304dcb01c653781767"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/alextselegidis/easyappointments"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/dd7c04a7-a984-4387-9ac4-24596e7ece44"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-04-21T20:34:23Z",
    "nvd_published_at" : "2023-04-15T13:15:00Z"
  }
}