---
id: CVE-2025-70146
title: >-
  Missing authentication in multiple administrative action scripts under /admin/
  in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to
  perform unauthorized administrative operations (e.g.,adding records, deleting
  reco…
summary: >-
  Missing authentication in multiple administrative action scripts under /admin/
  in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to
  perform unauthorized administrative operations (e.g.,adding records, deleting
  reco…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-306
  - CWE-862
vendor: projectworlds
product: online_time_table_generator
affected:
  - online_time_table_generator = 1.0
published: '2026-02-18'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:17:27.477'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-70146'
references:
  - url: 'https://0x0bito.github.io/posts/CVE-2025-70146-OTTTG-Unauth-Deletion/'
    label: cve@mitre.org
  - url: 'https://projectworlds.com/online-time-table-generator-php-mysql/'
    label: cve@mitre.org
  - url: 'https://youngkevinn.github.io/posts/CVE-2025-70146-OTTTG-Unauth-Deletion/'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-02-18T18:36:27.648790Z'
epss: 0.00571
epssPercentile: 0.46016
ingestedAt: '2026-09-08T20:10:03.220Z'
---

## Overview

Missing authentication in multiple administrative action scripts under /admin/ in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to perform unauthorized administrative operations (e.g.,adding records, deleting records) via direct HTTP requests to affected endpoints without a valid session.

## Affected

- `online_time_table_generator = 1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.