CVE-2025-29448: Alextselegidis/easyappointments Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-hcjv-982c-5f29
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CWE-20
Published
Advisory Summary

CVE-2025-29448 is a MODERATE denial of service vulnerability (CWE-20: Improper Input Validation) affecting Alextselegidis/easyappointments libraries in the Packagist ecosystem. The issue involves easy!appointments denial of service (dos). Remediation is available in the latest vendor maintenance releases.

CVE-2025-29448 at a Glance

CVE Identifier CVE-2025-29448
GHSA Identifier GHSA-hcjv-982c-5f29
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-20: Improper Input Validation
Affected Product Alextselegidis/easyappointments
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2025-29448

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-2025-29448, 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. 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

Booking logic flaw in Easy!Appointments v1.5.1 allows unauthenticated attackers to create appointments with excessively long durations, causing a denial of service by blocking all future booking availability.

CVE-2025-29448 Affected Alextselegidis/easyappointments Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
alextselegidis/easyappointments
 Packagist
≤ 1.5.1

References

NVD — CVE-2025-29448 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29448
Security Fix Commit FIX COMMIT
https://github.com/alextselegidis/easyappointments/commit/74633b60f28bdef3cc9f905c0599cef121fee32b
Alextselegidis/easyappointments Source Repository REPOSITORY
https://github.com/Abdullah4eb/CVE-2025-29448
Alextselegidis/easyappointments Source Repository REPOSITORY
https://github.com/alextselegidis/easyappointments

Frequently Asked Questions

What is CVE-2025-29448?
CVE-2025-29448 is a security vulnerability in Alextselegidis/easyappointments involving Easy!Appointments Denial of Service (DoS) under CWE-20: Improper Input Validation.
Which Alextselegidis/easyappointments versions are affected?
Affected versions include releases prior to current release patches across affected packages: alextselegidis/easyappointments.
What version fixes CVE-2025-29448?
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 CWE is associated with CVE-2025-29448?
CVE-2025-29448 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Packagist dependencies for CVE-2025-29448?
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-hcjv-982c-5f29",
  "modified" : "2025-05-08T19:36:43Z",
  "published" : "2025-05-07T15:31:41Z",
  "aliases" : [ "CVE-2025-29448" ],
  "summary" : "Easy!Appointments Denial of Service (DoS)",
  "details" : "Booking logic flaw in Easy!Appointments v1.5.1 allows unauthenticated attackers to create appointments with excessively long durations, causing a denial of service by blocking all future booking availability.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "alextselegidis/easyappointments"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.5.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-29448"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/alextselegidis/easyappointments/commit/74633b60f28bdef3cc9f905c0599cef121fee32b"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Abdullah4eb/CVE-2025-29448"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/alextselegidis/easyappointments"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-05-07T18:16:43Z",
    "nvd_published_at" : "2025-05-07T15:15:57Z"
  }
}